Stephen Proskow

Person

Wilmington, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of making a photosensitive elastomeric composition
- Patent number 4,446,220
- Issue date May 1, 1984
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous processible, alcohol resistant flexographic printing plates
- Patent number 4,431,723
- Issue date Feb 14, 1984
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous processable, positive-working photopolymer compositions
- Patent number 4,415,652
- Issue date Nov 15, 1983
- E. I. Du Pont de Nemours & Co.
- Stephen Proskow
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aqueous processable, positive-working photopolymer compositions
- Patent number 4,415,651
- Issue date Nov 15, 1983
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photopolymerizable polyamide ester resin compositions containing an...
- Patent number 4,414,312
- Issue date Nov 8, 1983
- E. I. Du Pont de Nemours & Co.
- David L. Goff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Electrical device formed from polymeric heat resistant photopolymer...
- Patent number 4,410,612
- Issue date Oct 18, 1983
- E. I. Du Pont de Nemours and Company
- David L. Goff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing relief structures using polyamide ester resins
- Patent number 4,369,247
- Issue date Jan 18, 1983
- E. I. Du Pont de Nemours and Company
- David L. Goff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric heat resistant photopolymerizable composition for semicon...
- Patent number 4,329,419
- Issue date May 11, 1982
- E. I. Du Pont de Nemours and Company
- David L. Goff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photosensitive compositions containing thermoplastic ionomeric elas...
- Patent number 4,272,608
- Issue date Jun 9, 1981
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Butadiene/acrylonitrile photosensitive, elastomeric polymer composi...
- Patent number 4,177,074
- Issue date Dec 4, 1979
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultraviolet screening agents and coating materials containing organ...
- Patent number 4,122,233
- Issue date Oct 24, 1978
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ultraviolet screening agents and coating materials containing organ...
- Patent number 4,051,161
- Issue date Sep 27, 1977
- E. I. Du Pont de Nemours and Company
- Stephen Proskow
- C07 - ORGANIC CHEMISTRY

Stephen Proskow

Person

Patents Grantslast 30 patents

Method of making a photosensitive elastomeric composition

Aqueous processible, alcohol resistant flexographic printing plates

Aqueous processable, positive-working photopolymer compositions

Aqueous processable, positive-working photopolymer compositions

Photopolymerizable polyamide ester resin compositions containing an...

Electrical device formed from polymeric heat resistant photopolymer...

Process of producing relief structures using polyamide ester resins

Polymeric heat resistant photopolymerizable composition for semicon...

Photosensitive compositions containing thermoplastic ionomeric elas...

Butadiene/acrylonitrile photosensitive, elastomeric polymer composi...

Ultraviolet screening agents and coating materials containing organ...

Ultraviolet screening agents and coating materials containing organ...