Polysuccinimides

Industry

CPC
C08G73/1092

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

CCHEMISTRY METALLURGY C08Organic compounds C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00

Current Industry

C08G73/1092Polysuccinimides

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Reaction products of amine monomers and polymers containing saturat...
- Patent number 11,732,374
- Issue date Aug 22, 2023
- Rohm and Haas Electronic Materials LLC
- Lingli Duan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Polymer compounds containing multiple hydroxyl groups, methods for...
- Patent number 11,427,681
- Issue date Aug 30, 2022
- Research & Business Foundation Sungkyunkwan University
- Ji Heung Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Succinimide-based copolymers and use as hydrate inhibitors
- Patent number 11,060,042
- Issue date Jul 13, 2021
- Saudi Arabian Oil Company
- Mohamed Elanany
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photosensitive microcapsules
- Patent number 10,901,315
- Issue date Jan 26, 2021
- Procter & Gamble International Operations SA
- Bartosz Tylkowski
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dielectric film forming composition
- Patent number 10,875,965
- Issue date Dec 29, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Sanjay Malik
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reaction products of amine monomers and polymers containing saturat...
- Patent number 10,604,856
- Issue date Mar 31, 2020
- Rohm and Haas Electronics Materials LLC
- Lingli Duan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Dielectric film forming composition
- Patent number 10,563,014
- Issue date Feb 18, 2020
- Fujifilm Electronic Materials U.S.A., Inc.
- Sanjay Malik
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing polyaspartic acid by means of a precondensate
- Patent number 10,538,623
- Issue date Jan 21, 2020
- BASF SE
- Gazi Tuerkoglu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bio-inspired polymer and glue including the polymer
- Patent number 10,377,931
- Issue date Aug 13, 2019
- Research & Business Foundation Sungkyunkwan University
- Ji Heung Kim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing polyaspartic acid under reflux cooling
- Patent number 10,370,620
- Issue date Aug 6, 2019
- BASF SE
- Gazi Tuerkoglu
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Methods for producing polyaspartic acids in the presence of methane...
- Patent number 10,233,286
- Issue date Mar 19, 2019
- BASF SE
- Jürgen Detering
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous high shear reactor melt processing methods to synthesize...
- Patent number 10,106,653
- Issue date Oct 23, 2018
- The University of Southern Mississippi
- Andrew S. Frazee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous high shear reactor melt processing methods to synthesize...
- Patent number 10,106,511
- Issue date Oct 23, 2018
- The University of Southern Mississippi
- Andrew S. Frazee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer, hydrogel including the polymer and manufacturing method of...
- Patent number 10,059,804
- Issue date Aug 28, 2018
- Research & Business Foundation Sungkyunkwan University
- Ji Heung Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Multibranched bioadhesive compounds and synthetic methods therefor
- Patent number 9,115,289
- Issue date Aug 25, 2015
- Kensey Nash Corporation
- Bruce P. Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods for producing polyaspartic acid precursor polymer and polya...
- Patent number 9,096,720
- Issue date Aug 4, 2015
- Mitsui Chemicals, Inc.
- Kouki Fukumura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer derivatives comprising an imide branching point
- Patent number 9,085,659
- Issue date Jul 21, 2015
- Nektar Therapeutics
- Samuel P. McManus
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
High-molecular weight conjugate of podophyllotoxins
- Patent number 8,940,332
- Issue date Jan 27, 2015
- Nippon Kayaku Kabushiki Kaisha
- Masayuki Kitagawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Manufacturing method of polyaspartic acid using maleic anhydride
- Patent number 8,729,218
- Issue date May 20, 2014
- Aekyung Petrochemical Co., Ltd.
- Jeong Gon Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Detergent compositions comprising a polyaspartate derivative
- Patent number 7,959,685
- Issue date Jun 14, 2011
- The Sun Products Corporation
- Anthony McKee
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Compositions
- Patent number 7,671,119
- Issue date Mar 2, 2010
- Lubrizol Limited
- Dean Thetford
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble paclitaxel prodrugs
- Patent number 7,384,977
- Issue date Jun 10, 2008
- PG-TXL Company, L. P.
- Chun Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of synthesis of polymers and copolymers from natural products
- Patent number 7,256,251
- Issue date Aug 14, 2007
- Folia Inc.
- Graham Swift
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble paclitaxel derivatives
- Patent number 7,135,496
- Issue date Nov 14, 2006
- PG-TXL Company, L. P.
- Chun Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymers of amino acids and methods of their production
- Patent number 7,091,305
- Issue date Aug 15, 2006
- Aquero Company
- C. Steven Sikes
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of synthesis of polysuccinimide, copolymers of polysuccinim...
- Patent number 7,074,881
- Issue date Jul 11, 2006
- Folia, Inc.
- Graham Swift
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water soluble paclitaxel derivatives
- Patent number 7,060,724
- Issue date Jun 13, 2006
- PG-TXL Company, L. P.
- Chun Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of high molecular weight polysuccinimides
- Patent number 7,053,170
- Issue date May 30, 2006
- Aquero Company
- C. Steven Sikes
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Functional poly-α-amino-acid derivatives useful for the modificatio...
- Patent number 7,005,123
- Issue date Feb 28, 2006
- Universiteit Gent
- Etienne Honoré Schacht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyaspartic acid concentration determination by fluorometry
- Patent number 6,989,274
- Issue date Jan 24, 2006
- Thomas Klein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ASPARTIC ACID COMPOSITION, POLYSUCCINIMIDE COMPOSITION, POLYASPARTI...
- Publication number 20240294956
- Publication date Sep 5, 2024
- DIC CORPORATION
- Akihiro Kondo
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
POLYSUCCINIMIDE DERIVATIVE AND USE OF THE SAME FOR MAKING NANOMATERIAL
- Publication number 20240141108
- Publication date May 2, 2024
- National Central University
- Chun-Jen HUANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INSULATING LAYER FOR MULTILAYER PRINTED CIRCUIT BOARD, MULTILAYER P...
- Publication number 20220279663
- Publication date Sep 1, 2022
- LG CHEM, LTD.
- Jeong Wook MUN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DETERGENT POLYMER AND COMPOSITION
- Publication number 20220010239
- Publication date Jan 13, 2022
- ITALMATCH CHEMICALS S.P.A.
- Frédéric BRUYNEEL
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
TRIBLOCK COPOLYMER STABILIZERS FOR THE FORMATION OF NANOPARTICLES E...
- Publication number 20210259984
- Publication date Aug 26, 2021
- The Trustees of Princeton University
- Robert K. PRUD'HOMME
- B82 - NANO-TECHNOLOGY
Information Patent Application
NOVEL POLYMER COMPOUNDS CONTAINING MULTIPLE HYDROXYL GROUPS, METHOD...
- Publication number 20200239637
- Publication date Jul 30, 2020
- Research & Business Foundation Sungkyunkwan University
- Ji Heung KIM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SUCCINIMIDE-BASED COPOLYMERS AND USE AS HYDRATE INHIBITORS
- Publication number 20200148828
- Publication date May 14, 2020
- Saudi Arabian Oil Company
- Mohamed Elanany
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
REACTION PRODUCTS OF AMINE MONOMERS AND POLYMERS CONTAINING SATURAT...
- Publication number 20200149175
- Publication date May 14, 2020
- DOW GLOBAL TECHNOLOGIES LLC
- Lingli Duan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
OLIGOMER AND LITHIUM BATTERY
- Publication number 20200119359
- Publication date Apr 16, 2020
- National Taiwan University of Science and Technology
- Chorng-Shyan Chern
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Dielectric Film Forming Composition
- Publication number 20190081001
- Publication date Mar 14, 2019
- Fujifilm Electronic Materials U.S.A., Inc.
- Sanjay Malik
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYIMIDE-NETWORK AND POLYIMIDE-UREA-NETWORK BATTERY SEPARATOR COMP...
- Publication number 20190058178
- Publication date Feb 21, 2019
- OHIO AEROSPACE INSTITUTE
- Mary Ann B. Meador
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH SOLIDS CONTENT POLYETHERIMIDE AND COMPONENTS THEREOF IN AN ORG...
- Publication number 20190031830
- Publication date Jan 31, 2019
- SABIC Global Technologies B.V.
- Thomas Link Guggenheim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, AND...
- Publication number 20180339275
- Publication date Nov 29, 2018
- FUJIFILM CORPORATION
- Tetsu KITAMURA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING POLYASPARTIC ACID UNDER REFLUX COOLING
- Publication number 20180251709
- Publication date Sep 6, 2018
- BASF SE
- Gazi Tuerkoglu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
REACTION PRODUCTS OF AMINE MONOMERS AND POLYMERS CONTAINING SATURAT...
- Publication number 20180135194
- Publication date May 17, 2018
- DOW GLOBAL TECHNOLOGIES LLC
- Lingli DUAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SUCCINIMIDE-BASED COPOLYMERS AND USE AS HYDRATE INHIBITORS
- Publication number 20170321012
- Publication date Nov 9, 2017
- Saudi Arabian Oil Company
- Mohamed Elanany
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Continuous High Shear Reactor Melt Processing Methods to Synthesize...
- Publication number 20170166698
- Publication date Jun 15, 2017
- Andrew S. Frazee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CONTINUOUS HIGH SHEAR REACTOR MELT PROCESSING METHODS TO SYNTHESIZE...
- Publication number 20170166537
- Publication date Jun 15, 2017
- Andrew S. Frazee
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DRAW SOLUTES AND FORWARD OSMOSIS WATER TREATMENT APPARATUSES, AND M...
- Publication number 20150336816
- Publication date Nov 26, 2015
- Samsung Electronics Co., Ltd.
- Seung Rim YANG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS FOR PRODUCING POLYASPARTIC ACID PRECURSOR POLYMER AND POLYA...
- Publication number 20120309909
- Publication date Dec 6, 2012
- Kouki Fukumura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION FOR THE CONTROLLED RELEASE OF BUPRENORPHINE
- Publication number 20120308614
- Publication date Dec 6, 2012
- Flamel Technologies
- Aline Moulin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Polymer Derivatives Comprising an Imide Branching Point
- Publication number 20120238640
- Publication date Sep 20, 2012
- Samuel P. McManus
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MULTIBRANCHED BIOADHESIVE COMPOUNDS AND SYNTHETIC METHODS THEREFOR
- Publication number 20120029559
- Publication date Feb 2, 2012
- KNC NER ACQUISITION SUB, INC.
- Bruce P. Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Amphiphilic polymer functionalized by methionine
- Publication number 20110150837
- Publication date Jun 23, 2011
- Flamel Technologies
- You-Ping CHAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ADDITIVE COMPOSITION AND METHOD OF MAKING THE SAME
- Publication number 20100160193
- Publication date Jun 24, 2010
- Chevron Oronite LLC
- James J. Harrison
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Manufacturing Method of Polyaspartic Acid Using Maleic Anhydride
- Publication number 20100076161
- Publication date Mar 25, 2010
- AEKYUNG PETROCHEMICAL CO., LTD.
- Jeong Gon Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH PERFORMANCE POLYASPARTIMIDE RESIN
- Publication number 20100063241
- Publication date Mar 11, 2010
- SPIRIT AEROSYSTEMS, INC
- Thomas Joseph Barnell
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
High-Molecular Weight Conjugate of Combretastatins
- Publication number 20100004403
- Publication date Jan 7, 2010
- Masayuki Kitagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
High-molecular weight conjugate of resorcinol derivatives
- Publication number 20090239782
- Publication date Sep 24, 2009
- Masaharu Nakamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Detergent Compositions
- Publication number 20090176679
- Publication date Jul 9, 2009
- Anthony McKee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Polysuccinimides

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Reaction products of amine monomers and polymers containing saturat...

Polymer compounds containing multiple hydroxyl groups, methods for...

Succinimide-based copolymers and use as hydrate inhibitors

Photosensitive microcapsules

Dielectric film forming composition

Reaction products of amine monomers and polymers containing saturat...

Dielectric film forming composition

Method for producing polyaspartic acid by means of a precondensate

Bio-inspired polymer and glue including the polymer

Method for producing polyaspartic acid under reflux cooling

Methods for producing polyaspartic acids in the presence of methane...

Continuous high shear reactor melt processing methods to synthesize...

Continuous high shear reactor melt processing methods to synthesize...

Polymer, hydrogel including the polymer and manufacturing method of...

Multibranched bioadhesive compounds and synthetic methods therefor

Methods for producing polyaspartic acid precursor polymer and polya...

Polymer derivatives comprising an imide branching point

High-molecular weight conjugate of podophyllotoxins

Manufacturing method of polyaspartic acid using maleic anhydride

Detergent compositions comprising a polyaspartate derivative

Compositions

Water soluble paclitaxel prodrugs

Methods of synthesis of polymers and copolymers from natural products

Water soluble paclitaxel derivatives

Copolymers of amino acids and methods of their production

Methods of synthesis of polysuccinimide, copolymers of polysuccinim...

Water soluble paclitaxel derivatives

Preparation of high molecular weight polysuccinimides

Functional poly-α-amino-acid derivatives useful for the modificatio...

Polyaspartic acid concentration determination by fluorometry

Patents Applicationslast 30 patents

ASPARTIC ACID COMPOSITION, POLYSUCCINIMIDE COMPOSITION, POLYASPARTI...

POLYSUCCINIMIDE DERIVATIVE AND USE OF THE SAME FOR MAKING NANOMATERIAL

INSULATING LAYER FOR MULTILAYER PRINTED CIRCUIT BOARD, MULTILAYER P...

DETERGENT POLYMER AND COMPOSITION

TRIBLOCK COPOLYMER STABILIZERS FOR THE FORMATION OF NANOPARTICLES E...

NOVEL POLYMER COMPOUNDS CONTAINING MULTIPLE HYDROXYL GROUPS, METHOD...

SUCCINIMIDE-BASED COPOLYMERS AND USE AS HYDRATE INHIBITORS

REACTION PRODUCTS OF AMINE MONOMERS AND POLYMERS CONTAINING SATURAT...

OLIGOMER AND LITHIUM BATTERY

Dielectric Film Forming Composition

POLYIMIDE-NETWORK AND POLYIMIDE-UREA-NETWORK BATTERY SEPARATOR COMP...

HIGH SOLIDS CONTENT POLYETHERIMIDE AND COMPONENTS THEREOF IN AN ORG...

GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, GAS SEPARATOR, AND...

METHOD FOR PRODUCING POLYASPARTIC ACID UNDER REFLUX COOLING

REACTION PRODUCTS OF AMINE MONOMERS AND POLYMERS CONTAINING SATURAT...

SUCCINIMIDE-BASED COPOLYMERS AND USE AS HYDRATE INHIBITORS

Continuous High Shear Reactor Melt Processing Methods to Synthesize...

CONTINUOUS HIGH SHEAR REACTOR MELT PROCESSING METHODS TO SYNTHESIZE...

DRAW SOLUTES AND FORWARD OSMOSIS WATER TREATMENT APPARATUSES, AND M...

METHODS FOR PRODUCING POLYASPARTIC ACID PRECURSOR POLYMER AND POLYA...

COMPOSITION FOR THE CONTROLLED RELEASE OF BUPRENORPHINE

Polymer Derivatives Comprising an Imide Branching Point

MULTIBRANCHED BIOADHESIVE COMPOUNDS AND SYNTHETIC METHODS THEREFOR

Amphiphilic polymer functionalized by methionine

ADDITIVE COMPOSITION AND METHOD OF MAKING THE SAME

Manufacturing Method of Polyaspartic Acid Using Maleic Anhydride

HIGH PERFORMANCE POLYASPARTIMIDE RESIN

High-Molecular Weight Conjugate of Combretastatins

High-molecular weight conjugate of resorcinol derivatives

Detergent Compositions