VISTA CHEMICAL COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C12N MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF 1166
 
 
 
C30B SINGLE-CRYSTAL GROWTH 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5569325 Process for growing crystalsApr 22, 91Oct 29, 96[C30B]
5275945 Alkaline proteases stable in heavy-duty detergent liquidsOct 08, 91Jan 04, 94[C12N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5414191 Method of removing alkyltetralins from an alkylbenzene mixtureExpiredJan 14, 94May 09, 95[C07C]
4950416 Liquid dishwasher detergent compositionExpiredOct 19, 88Aug 21, 90[C11D]
4765926 Surfactant compositions and method thereforExpiredMar 18, 86Aug 23, 88[C09K, B01F]
4746503 Method of treating alumina to increase slurry lifeExpiredOct 09, 86May 24, 88[C01F]
4744974 Process for production of aluminaExpiredSep 23, 86May 17, 88[C01F]
4593142 Methods of alkoxylationExpiredFeb 21, 84Jun 03, 86[C07C]
4544350 Burner apparatus for simultaneously incinerating liquid, dry gas and wet gas streamsExpiredOct 27, 82Oct 01, 85[C01B, F24C]
4540828 Catalysts for alkoxylation reactionsExpiredFeb 25, 83Sep 10, 85[C07C]
4483941 Catalysts for alkoxylation reactionsExpiredSep 02, 82Nov 20, 84[B01J]
4468476 Color precursor removal from detergent alkyl benzenesExpiredJan 03, 84Aug 28, 84[B01J]
4460699 Fixed bed catalyst for oxychlorinationExpiredAug 04, 82Jul 17, 84[B01J]
4456697 Catalysts for alkoxylation reactionsExpiredSep 23, 82Jun 26, 84[B01J]
4443634 Removal of impuritiesExpiredMar 29, 83Apr 17, 84[C07C]
4443638 Preparation of alcohols from internal olefinsExpiredApr 19, 82Apr 17, 84[C07C]
4433196 Color precursor removal from detergent range alkyl benzenesExpiredJun 25, 82Feb 21, 84[B01D]
4423278 Removing color from polyphenylated alkaneExpiredJan 17, 83Dec 27, 83[C07C]
4414136 Catalysts for ethylene oxychlorinationExpiredApr 02, 82Nov 08, 83[B01J]
4405819 Process for the production of alcohols from carboxylic acidsExpiredMay 03, 82Sep 20, 83[C07C]
4360449 Alumina dispersion behaviorExpiredAug 14, 81Nov 23, 82[B01J]
4329515 Catalyst removal from alcohol alkoxylatesExpiredNov 28, 80May 11, 82[C07C]

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