John Cheng

Person

Allentown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Co-agglomeration of random vinyl substituted aromatic/conjugated di...
- Patent number 6,348,525
- Issue date Feb 19, 2002
- BASF Corporation
- Koichi Takamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Co-agglomeration of random vinyl substituted aromatic/conjugated di...
- Patent number 6,300,392
- Issue date Oct 9, 2001
- BASF Corporation
- Koichi Takamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Co-Agglomeration of random vinyl substituted aromatic/conjugated di...
- Patent number 6,127,461
- Issue date Oct 3, 2000
- BASF Corporation
- Koichi Takamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Random vinyl substituted aromatic/C.sub.4 -C.sub.6 conjugated diole...
- Patent number 5,998,514
- Issue date Dec 7, 1999
- BASF Corporation
- John Tze-Chiang Cheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for improving the compatibility of random vinyl substituted...
- Patent number 5,990,203
- Issue date Nov 23, 1999
- BASF Corporation
- John Tze-Chiang Cheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reduction of wall fouling in the suspension polymerization of vinyl...
- Patent number 4,451,625
- Issue date May 29, 1984
- Air Products and Chemicals, Inc.
- John T. C. Cheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Person

Patents Grantslast 30 patents

Co-agglomeration of random vinyl substituted aromatic/conjugated di...

Co-agglomeration of random vinyl substituted aromatic/conjugated di...

Co-Agglomeration of random vinyl substituted aromatic/conjugated di...

Random vinyl substituted aromatic/C.sub.4 -C.sub.6 conjugated diole...

Method for improving the compatibility of random vinyl substituted...

Reduction of wall fouling in the suspension polymerization of vinyl...