Richard H. Dumas

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East Haven, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing alkali metal pyrithione and its polyvalent me...
- Patent number 9,079,857
- Issue date Jul 14, 2015
- Arch Chemicals, Inc.
- Rahim Hani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing particles of pyrithione salts and particles so...
- Patent number 6,017,936
- Issue date Jan 25, 2000
- Arch Chemicals, Inc.
- George A. Polson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing 2,6-dichloropyridine
- Patent number 5,468,864
- Issue date Nov 21, 1995
- Olin Corporation
- Rahim Hani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for oxidizing halopyridines to halopyridine-N-oxides
- Patent number 4,504,667
- Issue date Mar 12, 1985
- Olin Corporation
- Lawrence E. Katz
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for Preparing Alkali Metal Pyrithione and its Polyvalent Me...
- Publication number 20130261309
- Publication date Oct 3, 2013
- ARCH CHEMICALS, INC.
- Rahim Hani
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Antimicrobial protection for plastic structures
- Publication number 20110123587
- Publication date May 26, 2011
- Bonnie B. Sandel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Antimicrobial protection for plastic structures
- Publication number 20050112339
- Publication date May 26, 2005
- Bonnie B. Sandel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING