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Klaus Kuhlein
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Kelkheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing catalysts comprising nanosize metal particles...
Patent number
6,987,200
Issue date
Jan 17, 2006
Celanese Chemicals Europe GmbH
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalysts for the gas-phase oxidation of ethylene and acetic acid t...
Patent number
6,849,243
Issue date
Feb 1, 2005
Celanese Chemicals Europe GmbH
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing catalysts containing metal nanoparticles on a...
Patent number
6,603,038
Issue date
Aug 5, 2003
Celanese Chemicals Europe GmbH
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing aldehydes by hydroformylation in the presence...
Patent number
6,388,142
Issue date
May 14, 2002
Celanese Chemicals Europe GmbH
Sandra Bogdanovic
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Supported catalysts having a high sintering stability and a process...
Patent number
6,372,687
Issue date
Apr 16, 2002
Hoechst Research & Technology
Alfred Hagemeyer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst, process for its production and its use for preparing viny...
Patent number
6,268,522
Issue date
Jul 31, 2001
Celanese GmbH
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the catalytic oxidation of 1,5-dialkylbicyclo(3.2.1)oct...
Patent number
6,191,312
Issue date
Feb 20, 2001
Aventis Research & Technologies GmbH & Co. KG
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polybetaine-stabilized, palladium-containing nanoparticles, a proce...
Patent number
6,074,979
Issue date
Jun 13, 2000
Celanese GmbH
Alfred Hagemeyer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst, process for its production and its use for preparing viny...
Patent number
6,069,268
Issue date
May 30, 2000
Celanese GmbH
Alfred Hagemeyer
Information
Patent Grant
2-alkylmercapto-4-(trifluoromethyl)benzoic esters and a process for...
Patent number
5,744,021
Issue date
Apr 28, 1998
Hoechst AG
Peter Brungs
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Olefin polymerization process by using a substituted indenyl contai...
Patent number
5,741,868
Issue date
Apr 21, 1998
Hoechst Aktiengesellschaft
Andreas Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing olefin polymer with catalyst containing metal...
Patent number
5,612,428
Issue date
Mar 18, 1997
Hoechst Aktiengesellschaft
Andreas Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Metallocene-based catalysts
Patent number
5,576,260
Issue date
Nov 19, 1996
Hoechst Aktiengesellschaft
Andreas Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Metallocene compound
Patent number
5,543,373
Issue date
Aug 6, 1996
Hoechst AG
Andreas Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Metallocene compound
Patent number
5,532,396
Issue date
Jul 2, 1996
Hoechst Aktiengesellschaft
Andreas Winter
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of furans and lactones from streptomyces
Patent number
5,252,472
Issue date
Oct 12, 1993
Hoechst Aktiengesellschaft
Susanne Grabley
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Furans and lactones from sterptomycetes and the use thereof
Patent number
5,128,370
Issue date
Jul 7, 1992
Hoechst Aktiengesellschaft
Susanne Grabley
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Basic cleavage products of elaiophylin and elaiophylin derivatives...
Patent number
5,096,905
Issue date
Mar 17, 1992
Hoechst Aktiengesellschaft
Gerhard Kretzschmar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water-soluble copolymers with pendant phosphonic, sulphonic and ami...
Patent number
4,743,666
Issue date
May 10, 1988
Cassella Aktiengesellschaft
Friedrich Engelhardt
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Phosphonic acid cross-linked hydrophilic copolymers
Patent number
4,585,845
Issue date
Apr 29, 1986
Cassella Aktiengesellschaft
Friedrich Engelhardt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Copolymer, process for its preparation and its use as a sorbent
Patent number
4,576,973
Issue date
Mar 18, 1986
Cassella Aktiengesellschaft
Karl-Heinz Keil
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-insoluble monoazo dyestuffs, their preparation and their use
Patent number
4,552,953
Issue date
Nov 12, 1985
Cassella Aktiengesellschaft
Ulrich Buhler
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Copolymer, a process for its preparation and its use as a sorbent
Patent number
4,552,905
Issue date
Nov 12, 1985
Cassella Aktiengesellschaft
Karl-Heinz Keil
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Water soluble copolymers
Patent number
4,551,513
Issue date
Nov 5, 1985
Cassella Aktiengesellschaft
Friedrich Engelhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Crosslinking agents for water-swellable polymers
Patent number
4,522,997
Issue date
Jun 11, 1985
Cassella Aktiengesellschaft
Hermann Schmitz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing 2-chlorobenzoxazoles
Patent number
4,517,370
Issue date
May 14, 1985
Cassella Aktiengesellschaft
Johannes Becherer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Water soluble copolymers for use in fracture-acidizing of wells
Patent number
4,500,437
Issue date
Feb 19, 1985
Cassella Aktiengesellschaft
Friedrich Engelhardt
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of sulphur dyestuffs of the phthalocyan...
Patent number
4,486,350
Issue date
Dec 4, 1984
Cassella Aktiengesellschaft
Wolfgang Bauer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of optionally-substituted 1,2,3,4-tetra...
Patent number
4,485,240
Issue date
Nov 27, 1984
Cassella Aktiengesellschaft
Heinz Bender
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of reserve effects on polyester textiles...
Patent number
4,420,308
Issue date
Dec 13, 1983
Cassella Aktiengesellschaft
Ulrich Buhler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Patents Applications
last 30 patents
Information
Patent Application
Process for producing catalysts comprising nanosize metal particles...
Publication number
20030187294
Publication date
Oct 2, 2003
Celanese Chemical Europe GmbH
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing coated catalysts by CVD
Publication number
20010048970
Publication date
Dec 6, 2001
Alfred Hagemeyer
C07 - ORGANIC CHEMISTRY