Hang-Chang B. Chen

Person

Getzville, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Rapidly evaporating cleaning compositions
- Patent number 6,855,211
- Issue date Feb 15, 2005
- Emerald Agrochemicals Company AVV
- Hang-Chang Bobby Chen
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Rapidly evaporating cleaning compositions
- Patent number 6,429,176
- Issue date Aug 6, 2002
- Emerald Agrochemicals Company AVV
- Hang-Chang Bobby Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of increasing certain isomeric ratios in chlorinating substi...
- Patent number 6,222,079
- Issue date Apr 24, 2001
- Occidental Chemical Corporation
- Dean R. Lagerwall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of making high purity 2,4- and 3,4-dichlorotoluene
- Patent number 6,156,945
- Issue date Dec 5, 2000
- Occidental Chemical Corporation
- Viesturs Lesins
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Single phase cleaning fluid
- Patent number 6,020,299
- Issue date Feb 1, 2000
- Occidental Chemical Corporation
- Hang-Chang Bobby Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making alkoxy esters
- Patent number 6,005,139
- Issue date Dec 21, 1999
- Occidental Chemical Corporation
- Hang-Chang Bobby Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cleaning composition containing benzotrifluoride
- Patent number 5,851,435
- Issue date Dec 22, 1998
- Occidental Chemical Corporation
- Hang-Chang Bobby Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cleaning solvents containing benzotrifluoride and fluorinated compo...
- Patent number 5,756,002
- Issue date May 26, 1998
- Occidental Chemical Corporation
- Hang-Chang Bobby Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Single phase liquid composition for cleaning and paint stripping an...
- Patent number 5,744,437
- Issue date Apr 28, 1998
- Occidental Chemical Corporation
- Edward A. Rowe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of ethylene and mixture containing ethylene
- Patent number 5,705,728
- Issue date Jan 6, 1998
- Occidental Chemical Corporation
- Krishnan Viswanathan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Removing oxygen from hydrocarbon gases
- Patent number 5,446,232
- Issue date Aug 29, 1995
- Occidental Chemical Corporation
- Hang-Chang B. Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for mixing ethane and chlorine gases
- Patent number 5,113,028
- Issue date May 12, 1992
- Hang-Chang B. Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Rapidly evaporating cleaning compositions
- Publication number 20020129840
- Publication date Sep 19, 2002
- EMERALD AGROCHEMICALS COMPANY AVV
- Hang-Chang Bobby Chen
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
RAPIDLY EVAPORATING CLEANING COMPOSITIONS
- Publication number 20020107268
- Publication date Aug 8, 2002
- Occidental Chemical Corporation.
- Hang-Chang Bobby Chen
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Hang-Chang B. Chen

Person

Patents Grantslast 30 patents

Rapidly evaporating cleaning compositions

Rapidly evaporating cleaning compositions

Method of increasing certain isomeric ratios in chlorinating substi...

Method of making high purity 2,4- and 3,4-dichlorotoluene

Single phase cleaning fluid

Process for making alkoxy esters

Cleaning composition containing benzotrifluoride

Cleaning solvents containing benzotrifluoride and fluorinated compo...

Single phase liquid composition for cleaning and paint stripping an...

Process for the production of ethylene and mixture containing ethylene

Removing oxygen from hydrocarbon gases

Process for mixing ethane and chlorine gases

Patents Applicationslast 30 patents

Rapidly evaporating cleaning compositions

RAPIDLY EVAPORATING CLEANING COMPOSITIONS