Preparatory processes

Industry

CPC
C08G75/025

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 C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule

Current Industry

C08G75/025Preparatory processes

Industries

Patents Grantslast 30 patents

Information Patent Grant
Preparation method of polyarylene sulfide
- Patent number 12,146,033
- Issue date Nov 19, 2024
- LG Chem, Ltd.
- Myeongjin Ha
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and apparatus for recovering amide-based compound
- Patent number 11,970,445
- Issue date Apr 30, 2024
- LG Chem, Ltd.
- Sanghwan Jo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing polyarylene sulfide
- Patent number 11,795,272
- Issue date Oct 24, 2023
- Kureha Corporation
- Takeshi Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Separation and purification method of polyarylene sulfide
- Patent number 11,661,482
- Issue date May 30, 2023
- LG Chem, Ltd.
- Hansol Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dual cure sealants
- Patent number 11,655,340
- Issue date May 23, 2023
- PRC DeSoto International, Inc
- JianCheng Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Separation and recovery method of polyarlene sulfide
- Patent number 11,597,800
- Issue date Mar 7, 2023
- LG Chem, Ltd.
- Hansol Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polyarylene sulfide, dehydration method, and d...
- Patent number 11,453,752
- Issue date Sep 27, 2022
- Kureha Corporation
- Kenji Suzuki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyphenylene sulfide resin, and polyphenylen...
- Patent number 11,440,996
- Issue date Sep 13, 2022
- ZHEJIANG NHU CO., LTD.
- Woyuan Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyarylene sulfide
- Patent number 11,427,683
- Issue date Aug 30, 2022
- LG Chem, Ltd.
- Jeongbin Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyarylene sulfide
- Patent number 11,414,521
- Issue date Aug 16, 2022
- LG Chem, Ltd.
- Kwonsu Jung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing polyarylene sulfide
- Patent number 11,407,860
- Issue date Aug 9, 2022
- LG Chem, Ltd.
- Kwonsu Jung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polyarylene sulphide resin
- Patent number 11,312,823
- Issue date Apr 26, 2022
- DIC Corporation
- Masaya Kadoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing polyarylene sulfide
- Patent number 11,274,183
- Issue date Mar 15, 2022
- LG Chem, Ltd.
- Hansol Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing polyarylene sulfide
- Patent number 11,203,665
- Issue date Dec 21, 2021
- Kureha Corporation
- Michihisa Miyahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyarylene sulfide
- Patent number 11,192,980
- Issue date Dec 7, 2021
- LG Chem, Ltd.
- Eunju Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of polyarylene sulfide
- Patent number 11,192,981
- Issue date Dec 7, 2021
- LG Chem, Ltd.
- Hansol Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous polymerization apparatus and continuous production metho...
- Patent number 11,185,840
- Issue date Nov 30, 2021
- Kureha Corporation
- Kenji Suzuki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous dehydration method and method for producing polyarylene...
- Patent number 11,155,682
- Issue date Oct 26, 2021
- Kureha Corporation
- Michihisa Miyahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous polymerization apparatus and continuous production metho...
- Patent number 11,154,835
- Issue date Oct 26, 2021
- Kureha Corporation
- Kenji Suzuki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polysulfide copolymer particle and method of preparing the same
- Patent number 10,920,024
- Issue date Feb 16, 2021
- Seoul National University R&DB Foundation
- Kookheon Char
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of polyarylene sulfide precipitation
- Patent number 10,882,959
- Issue date Jan 5, 2021
- Ticona LLC
- Hendrich A. Chiong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyphenylene sulfide polymers having improved melt-stability
- Patent number 10,829,595
- Issue date Nov 10, 2020
- Solvay Specialty Polymers USA, LLC
- Hong Chen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Continuous production apparatus and continuous production method fo...
- Patent number 10,807,062
- Issue date Oct 20, 2020
- Kureha Corporation
- Hiroshi Sakabe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of producing polyarylene sulfide
- Patent number 10,800,884
- Issue date Oct 13, 2020
- Kureha Corporation
- Michihisa Miyahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous production apparatus and continuous production method fo...
- Patent number 10,773,233
- Issue date Sep 15, 2020
- Kureha Corporation
- Hiroshi Sakabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing polyarylene sulfide
- Patent number 10,731,006
- Issue date Aug 4, 2020
- Kureha Corporation
- Kenji Suzuki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing granular polyarylene sulfide, method for incre...
- Patent number 10,731,005
- Issue date Aug 4, 2020
- Kureha Corporation
- Akihiro Konno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing compound and method for preparing polymer empl...
- Patent number 10,723,841
- Issue date Jul 28, 2020
- Industrial Technology Research
- Po-Hsien Ho
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyarylene sulfide production method and apparatus for continuous...
- Patent number 10,703,861
- Issue date Jul 7, 2020
- Kureha Corporation
- Michihisa Miyahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of producing polyarylene sulfide
- Patent number 10,647,817
- Issue date May 12, 2020
- Kureha Corporation
- Akihiro Konno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME
- Publication number 20240299919
- Publication date Sep 12, 2024
- LG CHEM, LTD.
- Myungji Suh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLY(ARYLENE SULFIDE) POLYMERS AND CORRESPONDING POLYMER COMPOSITIO...
- Publication number 20240141109
- Publication date May 2, 2024
- SOLVAY SPECIALTY POLYMERS USA, LLC
- Matthew Nielsen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METAL MEMBER-POLYARYLENE SULFIDE RESIN MEMBER COMPLEX AND PRODUCTIO...
- Publication number 20240140006
- Publication date May 2, 2024
- TOSOH CORPORATION
- Takeshi HARUNARI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
CROSSLINKED POLYARYLENE SULFIDE, COMPOSITION, AND METHOD FOR PRODUC...
- Publication number 20240059841
- Publication date Feb 22, 2024
- DIC CORPORATION
- Chikara Funahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Dual Cure Sealants
- Publication number 20230242710
- Publication date Aug 3, 2023
- PRC-DeSoto International, Inc.
- JianCheng Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYARYLENE SULFIDE PRODUCTION METHOD, POLYARYLENE SULFIDE COPOLYME...
- Publication number 20230220162
- Publication date Jul 13, 2023
- TORAY INDUSTRIES, INC.
- Yuichiro Miyabara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYARYLENE SULFIDE PRODUCTION METHOD
- Publication number 20230192958
- Publication date Jun 22, 2023
- Kureha Corporation
- Takeshi SATO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ADSORBENT, SEPARATION METHOD, AND PRODUCTION METHOD FOR LIQUID
- Publication number 20230174392
- Publication date Jun 8, 2023
- DIC CORPORATION
- Taku Ibaraki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
POLYMER HAVING EXCELLENT COMPATIBILITY WITH THERMOPLASTIC RESINS
- Publication number 20230144380
- Publication date May 11, 2023
- TEIJIN LIMITED
- Akihisa NOMURA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLY(ARYLENE SULFIDE) AND PRODUCTION METHOD THEREFOR
- Publication number 20230133345
- Publication date May 4, 2023
- TORAY INDUSTRIES, INC.
- Naoto Kumagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYARYLENE SULFIDE
- Publication number 20230126671
- Publication date Apr 27, 2023
- Kureha Corporation
- Takeshi SATO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITE STRUCTURE AND MANUFACTURING METHOD THEREOF
- Publication number 20230040667
- Publication date Feb 9, 2023
- DIC CORPORATION
- Kenji Nakamura
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD FOR PRODUCING POLYARYLENE SULFIDE
- Publication number 20230033026
- Publication date Feb 2, 2023
- Kureha Corporation
- Takeshi SATO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
High Molecular Weight Polyphenylene Sulfide Resin, Preparation Meth...
- Publication number 20230019023
- Publication date Jan 19, 2023
- ZHEJIANG NHU CO., LTD.
- Zhirong CHEN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYARYLENE SULFIDE, AND PURIFICATION METHOD AND PRODUCTION METHOD...
- Publication number 20220389167
- Publication date Dec 8, 2022
- DIC CORPORATION
- Taku Ibaraki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYPHENYLENE SULFIDE RESIN COMPOSITION FOR AUTOMOTIVE COOLING PART...
- Publication number 20220380598
- Publication date Dec 1, 2022
- TORAY INDUSTRIES, INC.
- Shunsuke Kondo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLY(ARYLENE SULFIDE) POLYMERS AND CORRESPONDING POLYMER COMPOSITIO...
- Publication number 20220380546
- Publication date Dec 1, 2022
- SOLVAY SPECIALTY POLYMERS USA, LLC
- Matthew Nielsen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYARYLENE SULFIDE, DEHYDRATION METHOD, AND D...
- Publication number 20220204700
- Publication date Jun 30, 2022
- Kureha Corporation
- KENJI SUZUKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME
- Publication number 20220134323
- Publication date May 5, 2022
- LG CHEM, LTD.
- Myungji Suh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING POLYARYLENE SULFIDE
- Publication number 20220025121
- Publication date Jan 27, 2022
- Kureha Corporation
- Takeshi SATO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYPHENYLENE SULFIDE RESIN COMPOSITION AND MOLDED ARTICLE
- Publication number 20220010073
- Publication date Jan 13, 2022
- TORAY INDUSTRIES, INC.
- Keita Tokuzumi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD AND APPARATUS FOR RECOVERING AMIDE-BASED COMPOUND
- Publication number 20210238137
- Publication date Aug 5, 2021
- LG CHEM, LTD.
- Sanghwan Jo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF PRODUCING POLYARYLENE SULFIDE
- Publication number 20210238353
- Publication date Aug 5, 2021
- Kureha Corporation
- Kenji SUZUKI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SEPARATION AND RECOVERY METHOD OF POLYARLENE SULFIDE
- Publication number 20210238354
- Publication date Aug 5, 2021
- LG CHEM, LTD.
- Hansol Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD OF POLYARYLENE SULFIDE
- Publication number 20210238355
- Publication date Aug 5, 2021
- LG CHEM, LTD.
- Jeongbin LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD OF POLYARYLENE SULFIDE
- Publication number 20210221954
- Publication date Jul 22, 2021
- LG CHEM, LTD.
- Myeongjin Ha
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SEPARATION AND PURIFICATION METHOD OF POLYARYLENE SULFIDE
- Publication number 20210214503
- Publication date Jul 15, 2021
- LG CHEM, LTD.
- Hansol Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CONTINUOUS DEHYDRATION METHOD AND METHOD FOR PRODUCING POLYARYLENE...
- Publication number 20210198428
- Publication date Jul 1, 2021
- Michihisa MIYAHARA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PREPARATION METHOD OF POLYARYLENE SULFIDE
- Publication number 20210171715
- Publication date Jun 10, 2021
- LG CHEM, LTD.
- Eunju PARK
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYARYLENE SULPHIDE RESIN
- Publication number 20210147630
- Publication date May 20, 2021
- DIC CORPORATION
- Masaya Kadoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Preparatory processes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Preparation method of polyarylene sulfide

Method and apparatus for recovering amide-based compound

Method for producing polyarylene sulfide

Separation and purification method of polyarylene sulfide

Dual cure sealants

Separation and recovery method of polyarlene sulfide

Method for producing polyarylene sulfide, dehydration method, and d...

Preparation method of polyphenylene sulfide resin, and polyphenylen...

Preparation method of polyarylene sulfide

Preparation method of polyarylene sulfide

Method for preparing polyarylene sulfide

Method for producing polyarylene sulphide resin

Method of preparing polyarylene sulfide

Method of producing polyarylene sulfide

Preparation method of polyarylene sulfide

Preparation method of polyarylene sulfide

Continuous polymerization apparatus and continuous production metho...

Continuous dehydration method and method for producing polyarylene...

Continuous polymerization apparatus and continuous production metho...

Polysulfide copolymer particle and method of preparing the same

Method of polyarylene sulfide precipitation

Polyphenylene sulfide polymers having improved melt-stability

Continuous production apparatus and continuous production method fo...

Method of producing polyarylene sulfide

Continuous production apparatus and continuous production method fo...

Method of producing polyarylene sulfide

Method for producing granular polyarylene sulfide, method for incre...

Method for preparing compound and method for preparing polymer empl...

Polyarylene sulfide production method and apparatus for continuous...

Method of producing polyarylene sulfide

Patents Applicationslast 30 patents

CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME

POLY(ARYLENE SULFIDE) POLYMERS AND CORRESPONDING POLYMER COMPOSITIO...

METAL MEMBER-POLYARYLENE SULFIDE RESIN MEMBER COMPLEX AND PRODUCTIO...

CROSSLINKED POLYARYLENE SULFIDE, COMPOSITION, AND METHOD FOR PRODUC...

Dual Cure Sealants

POLYARYLENE SULFIDE PRODUCTION METHOD, POLYARYLENE SULFIDE COPOLYME...

POLYARYLENE SULFIDE PRODUCTION METHOD

ADSORBENT, SEPARATION METHOD, AND PRODUCTION METHOD FOR LIQUID

POLYMER HAVING EXCELLENT COMPATIBILITY WITH THERMOPLASTIC RESINS

POLY(ARYLENE SULFIDE) AND PRODUCTION METHOD THEREFOR

METHOD FOR PRODUCING POLYARYLENE SULFIDE

COMPOSITE STRUCTURE AND MANUFACTURING METHOD THEREOF

METHOD FOR PRODUCING POLYARYLENE SULFIDE

High Molecular Weight Polyphenylene Sulfide Resin, Preparation Meth...

POLYARYLENE SULFIDE, AND PURIFICATION METHOD AND PRODUCTION METHOD...

POLYPHENYLENE SULFIDE RESIN COMPOSITION FOR AUTOMOTIVE COOLING PART...

POLY(ARYLENE SULFIDE) POLYMERS AND CORRESPONDING POLYMER COMPOSITIO...

METHOD FOR PRODUCING POLYARYLENE SULFIDE, DEHYDRATION METHOD, AND D...

CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME

METHOD FOR PRODUCING POLYARYLENE SULFIDE

POLYPHENYLENE SULFIDE RESIN COMPOSITION AND MOLDED ARTICLE

METHOD AND APPARATUS FOR RECOVERING AMIDE-BASED COMPOUND

METHOD OF PRODUCING POLYARYLENE SULFIDE

SEPARATION AND RECOVERY METHOD OF POLYARLENE SULFIDE

PREPARATION METHOD OF POLYARYLENE SULFIDE

PREPARATION METHOD OF POLYARYLENE SULFIDE

SEPARATION AND PURIFICATION METHOD OF POLYARYLENE SULFIDE

CONTINUOUS DEHYDRATION METHOD AND METHOD FOR PRODUCING POLYARYLENE...

PREPARATION METHOD OF POLYARYLENE SULFIDE

METHOD FOR PRODUCING POLYARYLENE SULPHIDE RESIN