Christopher D. Selvig

Person

Pittsburgh, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photochromic pyrano-fused naphthopyrans
- Patent number 6,106,744
- Issue date Aug 22, 2000
- PPG Industries Ohio, Inc.
- Barry Van Gemert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing photochromic articles
- Patent number 5,981,634
- Issue date Nov 9, 1999
- PPG Industries Ohio, Inc.
- Robert A. Smith
- G02 - OPTICS
Information Patent Grant
Optical resin composition from polyol((meth)acryloyl carbonate) mon...
- Patent number 5,965,680
- Issue date Oct 12, 1999
- PPG Industries Ohio, Inc.
- Robert D. Herold
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High refractive index photochromic ophthalmic article
- Patent number 5,708,064
- Issue date Jan 13, 1998
- PPG Industries, Inc.
- Charles R. Coleman
- G02 - OPTICS
Information Patent Grant
Polymerizable composition
- Patent number 5,246,630
- Issue date Sep 21, 1993
- PPG Industries, Inc.
- Christopher D. Selvig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition of polyol (allyl carbonate) and allyl terminated...
- Patent number 5,236,978
- Issue date Aug 17, 1993
- PPG Industries, Inc.
- Christopher D. Selvig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable composition
- Patent number 5,221,721
- Issue date Jun 22, 1993
- PPG Industries, Inc.
- Christopher D. Selvig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyol(allyl carbonate) composiitons and articles prepared there from
- Patent number 5,200,483
- Issue date Apr 6, 1993
- PPG Industries, Inc.
- Christopher D. Selvig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing aminofunctional silicone acid
- Patent number 5,077,421
- Issue date Dec 31, 1991
- PPG Industries, Inc.
- Christopher D. Selvig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Christopher D. Selvig

Person

Patents Grantslast 30 patents

Photochromic pyrano-fused naphthopyrans

Method of preparing photochromic articles

Optical resin composition from polyol((meth)acryloyl carbonate) mon...

High refractive index photochromic ophthalmic article

Polymerizable composition

Resin composition of polyol (allyl carbonate) and allyl terminated...

Polymerizable composition

Polyol(allyl carbonate) composiitons and articles prepared there from

Process for preparing aminofunctional silicone acid