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:
Apr. 03, 1990
Filed:
Aug. 11, 1988
Applicant:
Inventors:
Bernard C Smith, Naugatuck, CT (US);
Frank Powell, Rome, IT;
John F Sierakowski, Middlebury, CT (US);
Assignee:
Uniroyal Chemical Company, Inc., Middlebury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521107 ; 521115 ; 521117 ; 521118 ; 521121 ; 252384 ; 524700 ; 524719 ;
Abstract
This invention relates to the stabilization of polyurethane foam by using a combination of a phenothiazine with at least a co-stabilizing effective amount of a compound selected from the group consisting of certain dithiocarbamates, thiuramsulfides, mercaptobenzothiazole, phosphites, phosphonites, phenolic antioxidants, pentaerythritol-tetrakis(beta-laurylthiopropionate), 4,4'-thiobis(2-t-butyl-5-methylphenol) and mixtures thereof.
Smith, Bernard. (1990). Method for stabilizing polyurethane foam using an additive combination (U.S. Patent No. 4914137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4914137
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile