Josefina Tseng Chapman

Follow

Person

Norristown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing (meth) acrylic acid
- Patent number 6,500,982
- Issue date Dec 31, 2002
- Rohm & Haas Company
- Timothy Allen Hale
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing (meth)acrylic acid
- Patent number 6,399,817
- Issue date Jun 4, 2002
- Rohm & Haas Company
- Josefina Tseng Chapman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing butyl acrylate
- Patent number 6,180,819
- Issue date Jan 30, 2001
- Rohm & Haas Company
- William Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing butyl acrylate
- Patent number 5,990,343
- Issue date Nov 23, 1999
- Rohm and Haas Company
- William Bauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing butyl acrylate
- Patent number 5,877,345
- Issue date Mar 2, 1999
- Rohm & Haas Company
- William Bauer
- C07 - ORGANIC CHEMISTRY