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Paul A. Silver
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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dental composite restorative material and method of restoring a tooth
Patent number
6,696,507
Issue date
Feb 24, 2004
Dentsply Research & Development Corp.
John C. Subelka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental composite restorative material and method of restoring a tooth
Patent number
6,353,040
Issue date
Mar 5, 2002
Dentsply Research & Development Corp.
John C. Subelka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Translucent wear resistant dental enamel material and method
Patent number
6,262,142
Issue date
Jul 17, 2001
Dentsply Research & Development
Xiuling Wang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental compounds, compositions, products and methods
Patent number
5,981,620
Issue date
Nov 9, 1999
Dentsply Research & Development Corp.
Paul D. Hammesfahr
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dental compounds, compositions, products and methods
Patent number
5,710,194
Issue date
Jan 20, 1998
Dentsply Research & Development Corp.
Paul D. Hammesfahr
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for making a filled metathesis polymer article
Patent number
5,096,644
Issue date
Mar 17, 1992
Hercules Incorporated
Zenichiro Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Molded polymer article filled with inorganic material and productio...
Patent number
5,055,499
Issue date
Oct 8, 1991
Hercules Incorporated
Zenichiro Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Improving the physical properties of glass composite polydicyclopen...
Patent number
4,902,560
Issue date
Feb 20, 1990
Hercules Incorporated
Paul A. Silver
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phosphorus based flame retardant composition for reaction injection...
Patent number
4,740,537
Issue date
Apr 26, 1988
Hercules Incorporated
Paul A. Silver
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polydicyclopentadiene having improved odor
Patent number
4,731,395
Issue date
Mar 15, 1988
Hercules Incorporated
Brian Byrne
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phosphazene flame retardants for reaction injection molded poly(dic...
Patent number
4,607,077
Issue date
Aug 19, 1986
Hercules Incorporated
Paul A. Silver
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Dental composite restorative material and method of restoring a tooth
Publication number
20040209974
Publication date
Oct 21, 2004
DENTSPLY Research & Development Corp.
John C. Subelka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dental composite restorative material and method of restoring a tooth
Publication number
20040209975
Publication date
Oct 21, 2004
John C. Subelka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dental composite restorative material and method of restoring a tooth
Publication number
20040167246
Publication date
Aug 26, 2004
DENTSPLY Research & Development Corp.
John C. Subelka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dental composite restorative material and method of restroring a tooth
Publication number
20030060532
Publication date
Mar 27, 2003
DENTSPLY Research & Development Corp.
John C. Subelka
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC