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:
Jul. 06, 1999
Filed:
Mar. 11, 1998
David Gerald Wernsing, Littleton, CO (US);
Carol Jean Claypool, Lakewood, CO (US);
Inspee Foams, Inc., Plano, TX (US);
Abstract
A lightweight open celled foam, having a density no greater than 6 pounds per cubic foot (pcf) and a ratio of imide to amide groups greater than 1 to 1 and no greater than 19 to 1, is the reaction product made from an organic polyisocyanate having at least two functional groups per molecule and a mixture of a difunctional acid and a difunctional anhydride in the presence of a tertiary amine catalyst and a nonionic, organic surfactant having a hydrophilic/lipophilic balance (HLB) of at least 12, with the reactants generating carbon dioxide during the manufacturing process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile