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Johnson C. H. Chen
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King of Prussia, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Removal of alkyl alkanesulfonate esters from alkanesulfonic acids a...
Patent number
7,297,813
Issue date
Nov 20, 2007
Arkema Inc.
Gary Smith
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of alkane sulfonic acids and sulfonyl chlorides by oxid...
Patent number
6,124,497
Issue date
Sep 26, 2000
Innochem Inc.
Johnson Chen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selective electrolytic stripping of metal coatings from base metal...
Patent number
4,678,552
Issue date
Jul 7, 1987
Pennwalt Corporation
Johnson C. Chen
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Encapsulated phase change thermal energy storage materials and process
Patent number
4,513,053
Issue date
Apr 23, 1985
Pennwalt Corporation
Johnson C. H. Chen
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for preparing encapsulated phase change materials
Patent number
4,505,953
Issue date
Mar 19, 1985
Pennwalt Corporation
Johnson C. H. Chen
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Encapsulated phase change thermal energy _storage materials
Patent number
4,504,402
Issue date
Mar 12, 1985
Pennwalt Corporation
Johnson C. H. Chen
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Thermal energy storage composition comprising sodium sulfate decahy...
Patent number
4,292,189
Issue date
Sep 29, 1981
Pennwalt Corporation
Johnson C. Chen
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Removal of alkyl alkanesulfonate esters from alkanesulfonic acids a...
Publication number
20060030725
Publication date
Feb 9, 2006
Gary Smith
C07 - ORGANIC CHEMISTRY