Barry Van Gemert

Person

Pitcairn, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photochromic materials derived from ring-opening monomers and photo...
- Patent number 7,465,415
- Issue date Dec 16, 2008
- PPG Industries Ohio, Inc.
- Feng Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic contact lenses and methods of manufacturing
- Patent number 7,368,072
- Issue date May 6, 2008
- PPG Industries Ohio, Inc.
- Barry Van Gemert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Photochromic articles that activate behind ultraviolet radiation bl...
- Patent number 7,166,357
- Issue date Jan 23, 2007
- Transitions Optical, Inc.
- Anil Kumar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric matrix compatibilized naphthopyrans
- Patent number 6,555,028
- Issue date Apr 29, 2003
- Transitions Optical, Inc.
- Robert W. Walters
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Indeno-fused photochromic naphthopyrans
- Patent number 6,296,785
- Issue date Oct 2, 2001
- PPG Industries Ohio, Inc.
- Clara M. Nelson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymerizable polyalkoxylated naphthopyrans
- Patent number 6,113,814
- Issue date Sep 5, 2000
- Transitions Optical, Inc.
- Barry Van Gemert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyalkoxylated naphthopyrans
- Patent number 5,961,892
- Issue date Oct 5, 1999
- PPG Industries Ohio, Inc.
- Barry Van Gemert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted naphthopyrans
- Patent number 5,656,206
- Issue date Aug 12, 1997
- Transitions Optical, Inc.
- David B. Knowles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted naphthopyrans
- Patent number 5,573,712
- Issue date Nov 12, 1996
- Transitions Optical, Inc.
- Anil Kumar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic tetraphenyl naphthodipyrans
- Patent number 5,464,567
- Issue date Nov 7, 1995
- Transitions Optical, Inc.
- David B. Knowles
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Photochromic materials having electron-withdrawing substituents
- Publication number 20070138449
- Publication date Jun 21, 2007
- Anu Chopra
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic materials having extended pi-conjugated systems and co...
- Publication number 20060228557
- Publication date Oct 12, 2006
- Beon-Kyu Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic materials with reactive substituents
- Publication number 20060226400
- Publication date Oct 12, 2006
- Wenjing Xiao
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic materials
- Publication number 20060022176
- Publication date Feb 2, 2006
- Feng Wang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Pyrano-quinolines, pyrano-quinolinones, combinations thereof, photo...
- Publication number 20050127336
- Publication date Jun 16, 2005
- Beon-Kyu Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic articles with reduced temperature dependency and metho...
- Publication number 20040191520
- Publication date Sep 30, 2004
- Anil Kumar
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Photochromic ocular devices
- Publication number 20040186241
- Publication date Sep 23, 2004
- Barry Van Gemert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Photochromic contact lenses and methods of manufacturing
- Publication number 20030142267
- Publication date Jul 31, 2003
- Barry Van Gemert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Polymeric matrix compatibilized naphthopyrans
- Publication number 20010025948
- Publication date Oct 4, 2001
- Robert W. Walters
- C07 - ORGANIC CHEMISTRY

Barry Van Gemert

Person

Patents Grantslast 30 patents

Photochromic materials derived from ring-opening monomers and photo...

Photochromic contact lenses and methods of manufacturing

Photochromic articles that activate behind ultraviolet radiation bl...

Polymeric matrix compatibilized naphthopyrans

Indeno-fused photochromic naphthopyrans

Polymerizable polyalkoxylated naphthopyrans

Polyalkoxylated naphthopyrans

Substituted naphthopyrans

Substituted naphthopyrans

Photochromic tetraphenyl naphthodipyrans

Patents Applicationslast 30 patents

Photochromic materials having electron-withdrawing substituents

Photochromic materials having extended pi-conjugated systems and co...

Photochromic materials with reactive substituents

Photochromic materials

Pyrano-quinolines, pyrano-quinolinones, combinations thereof, photo...

Photochromic articles with reduced temperature dependency and metho...

Photochromic ocular devices

Photochromic contact lenses and methods of manufacturing

Polymeric matrix compatibilized naphthopyrans