Paul R. Hein

Person

Atlanta, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photopolymer for use as a solder mask
- Patent number 4,666,821
- Issue date May 19, 1987
- W. R. Grace & Co.
- Paul R. Hein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition having terminal alkene and terminal carboxyl gr...
- Patent number 4,481,281
- Issue date Nov 6, 1984
- W. R. Grace & Co.
- Jung-Hsien Tsao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition having terminal alkene and terminal carboxyl gr...
- Patent number 4,451,636
- Issue date May 29, 1984
- W. R. Grace & Co.
- Jung-Hsien Tsao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition having terminal alkene and terminal carboxyl gr...
- Patent number 4,442,198
- Issue date Apr 10, 1984
- W. R. Grace & Co.
- Jung-Hsien Tsao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition having terminal alkene and terminal carboxyl gr...
- Patent number 4,422,914
- Issue date Dec 27, 1983
- W. R. Grace & Co.
- Jung-Hsien Tsao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation responsive relief imageable plastic laminate
- Patent number 4,248,960
- Issue date Feb 3, 1981
- W. R. Grace & Co.
- Paul R. Hein
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Polythiol effect curable polymeric composition
- Patent number 4,234,676
- Issue date Nov 18, 1980
- W. R. Grace & Co.
- Paul R. Hein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polythiol effect, curable monoalkenyl aromatic-diene and ene compos...
- Patent number 4,179,531
- Issue date Dec 18, 1979
- W. R. Grace & Co.
- Paul R. Hein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation curable compositions for coating and imaging processes an...
- Patent number 4,120,721
- Issue date Oct 17, 1978
- W. R. Grace & Co.
- Arthur Donald Ketley
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Paul R. Hein

Person

Patents Grantslast 30 patents

Photopolymer for use as a solder mask

Polymer composition having terminal alkene and terminal carboxyl gr...

Polymer composition having terminal alkene and terminal carboxyl gr...

Polymer composition having terminal alkene and terminal carboxyl gr...

Polymer composition having terminal alkene and terminal carboxyl gr...

Radiation responsive relief imageable plastic laminate

Polythiol effect curable polymeric composition

Polythiol effect, curable monoalkenyl aromatic-diene and ene compos...

Radiation curable compositions for coating and imaging processes an...