The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2007
Filed:
Mar. 08, 2004
Weilian Lang, Austin, TX (US);
Charles Little, Austin, TX (US);
Victor Van DE Pas, Zaltbommel, NL;
Sachem, Inc., Austin, TX (US);
Abstract
This invention pertains to novel multiple quaternary ammonium salts and their derivatives represented by the formula: wherein each R, R', R, R′, R, R′, Ror Ris independently selected from the group consisting alkyl, aryl, aralkyl and —CH—CH(OR)—CHNRRR;wherein one or more Rgroup is selected from the group consisting of: and wherein Anis an anion. This invention also pertains to novel multiple quaternary ammonium salts and their derivatives represented by the formula: wherein each R, R′, R, R′, Ror R′group is independently selected from the group consisting of alkyl, aryl, aralkyl and —CH—CH(OR)—CHNRRR;wherein one or more Rgroup is selected from the group consisting of: and wherein Anis an anion.