Ching-Jen Chang

Person

Chalfont, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Triggered response compositions
- Patent number 7,932,222
- Issue date Apr 26, 2011
- Rohm & Haas Company
- Hailan Guo
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Process for manufacturing polymers
- Patent number 7,312,259
- Issue date Dec 25, 2007
- Rohm & Haas Company
- Joseph Robert Adamo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing ultraviolet radiation-absorbing compositions
- Patent number 6,384,104
- Issue date May 7, 2002
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for inhibiting corrosion in an aqueous aerosol or foam hair...
- Patent number 6,368,575
- Issue date Apr 9, 2002
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stiff-feel hair styling compositions
- Patent number 6,214,328
- Issue date Apr 10, 2001
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Crosslinked poly(amino acids) and method of preparation
- Patent number 5,955,549
- Issue date Sep 21, 1999
- Ching-Jen Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Superabsorbent polymeric compositions and process for producing the...
- Patent number 4,914,170
- Issue date Apr 3, 1990
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for thickening with copolymers of alkyl poly (oxyalkylene)...
- Patent number 4,663,385
- Issue date May 5, 1987
- Rohm and Haas
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Alkyl poly(oxyalkylene) esters of acrylate oligomers and copolymers...
- Patent number 4,429,097
- Issue date Jan 31, 1984
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Acrylamide containing emulsion copolymers for thickening purposes
- Patent number 4,423,199
- Issue date Dec 27, 1983
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Alkyl, poly(oxyethylene) poly(carbonyloxyethylene) acrylate emulsio...
- Patent number 4,421,902
- Issue date Dec 20, 1983
- Rohm & Haas Company
- Ching-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Polymers and process for controlling rheology of aqueous compositions
- Publication number 20050075266
- Publication date Apr 7, 2005
- Ching-Jen Chang
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Process for manufacturing polymers
- Publication number 20050043453
- Publication date Feb 24, 2005
- Ching-Jen Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process for manufacturing polymers
- Publication number 20050043458
- Publication date Feb 24, 2005
- Joseph Robert Adamo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Multi-stage polymer compositions having a triggered response
- Publication number 20040110891
- Publication date Jun 10, 2004
- Hailan Guo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Triggered response compositions
- Publication number 20040030034
- Publication date Feb 12, 2004
- Ching-Jen Chang
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Triggered response compositions
- Publication number 20030164476
- Publication date Sep 4, 2003
- Hailan Guo
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
METHOD FOR INHIBITING CORROSION IN AN AQUEOUS AEROSOL OR FOAM HAIR...
- Publication number 20010003581
- Publication date Jun 14, 2001
- CHING-JEN CHANG
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Ching-Jen Chang

Person

Patents Grantslast 30 patents

Triggered response compositions

Process for manufacturing polymers

Method for preparing ultraviolet radiation-absorbing compositions

Method for inhibiting corrosion in an aqueous aerosol or foam hair...

Stiff-feel hair styling compositions

Crosslinked poly(amino acids) and method of preparation

Superabsorbent polymeric compositions and process for producing the...

Process for thickening with copolymers of alkyl poly (oxyalkylene)...

Alkyl poly(oxyalkylene) esters of acrylate oligomers and copolymers...

Acrylamide containing emulsion copolymers for thickening purposes

Alkyl, poly(oxyethylene) poly(carbonyloxyethylene) acrylate emulsio...

Patents Applicationslast 30 patents

Polymers and process for controlling rheology of aqueous compositions

Process for manufacturing polymers

Process for manufacturing polymers

Multi-stage polymer compositions having a triggered response

Triggered response compositions

Triggered response compositions

METHOD FOR INHIBITING CORROSION IN AN AQUEOUS AEROSOL OR FOAM HAIR...