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:
Oct. 27, 1992
Filed:
May. 08, 1991
Applicant:
Inventors:
Robson Mafoti, Pittsburgh, PA (US);
Clifford J Lau, Sewickley, PA (US);
Assignee:
Miles Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; B29C / ; C08G / ;
U.S. Cl.
CPC ...
106243 ; 10628724 ; 10628725 ; 10628726 ; 25218213 ; 25218224 ; 25218228 ; 264 51 ; 2643281 ; 2643286 ; 2643288 ; 521129 ; 521130 ; 521163 ; 521170 ; 521172 ; 524724 ; 524773 ; 528 53 ; 528 68 ; 528 76 ; 528 80 ;
Abstract
The present invention is directed to a novel internal release agent, a mixture of isocyanate reactive materials containing the release agent and a RIM process using the release agent. The novel release agent is an ester prepared by reacting a specific tetrol with a mixture of a saturated and an unsaturated acid.