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.

Date of Patent:
Mar. 30, 1993

Filed:

Jun. 30, 1992
Applicant:
Inventor:

John A Kilgour, Putnam Valley, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521112 ; 521154 ; 521174 ;
Abstract

Siloxane-polyether copolymer surfactants for manufacture of high resiliency polyurethane foam which are capped with t-butyl groups on the ends of the polyether blocks, polyurethane foam compositions containing such surfactants, a method for making polyurethane foam using such surfactants, and polyurethane foam made the method are disclosed and claimed. The t-butyl-capped surfactants afford improved surfactant potencies and foam breathabilities relative to the commonly-employed methyl-capped surfactants.


Find Patent Forward Citations

Kilgour, John. (1993). Silicone surfactants having t-butyl terminated polyether pendants for (U.S. Patent No. 5198474). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5198474

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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