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:
Sep. 13, 1977
Filed:
Dec. 27, 1976
Applicant:
Inventors:
Billy Quock, Richwood, TX (US);
Don Howard Kelley, Brazoria, TX (US);
Sehon Lester Warneke, Brazoria, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ;
Abstract
Menthanediamine, isophorone diamine and the like compounds have been discovered to be an effective substitute for 4,4'-methylenebis(2-chloroaniline) in the preparation of flexible polyurethane foams. This substituted crosslinker is not suspected of being carcinogenic.