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:
Aug. 10, 1993
Filed:
Dec. 04, 1992
Samuel L Gott, Kingsport, TN (US);
Thomas E Carter, Kingsport, TN (US);
Wade T Petroskey, Kingsport, TN (US);
T Hugh Williams, Fall Branch, TN (US);
G C Zima, Kingsport, TN (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
The present invention relates to a process for preparing flexible, semi-flexible or rigid polyurethane foam plastics from a polyfunctional isocyanate and a polyhydric compound. More specifically, the invention involves the substitution of some portion of the hydroxy groups on the polyhydric compound with acetoacetate groups. Such substitution reduces the viscosity of the polyhydric resin without effecting the performance properties of the foams. Various substitution levels can be used depending on the desired level of viscosity reduction.