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. 18, 1994
Filed:
Dec. 09, 1991
Applicant:
Inventors:
Robson M Mafoti, Pittsburgh, PA (US);
Josef Sanders, Leverkusen, DE;
Robert P Yeater, Moundsville, WV (US);
Assignee:
Miles Inc., Leverkusen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521163 ; 521161 ; 521137 ; 521158 ; 528 45 ; 528 48 ; 528 52 ; 528 75 ;
Abstract
Disclosed herein is a process for the preparation of a reaction injection molded elastomer comprising injecting a reaction mixture into a closed mold via a RIM machine, with the ratio of components being such that the isocyanate index is from about 70 to about 130, said reaction mixture comprising (a) an organic di- and/or polyisocyanate, (b) an amine terminated chain extender, and (c) a compound which is derived from the reaction of a polyfunctional acetoacetic acid ester and an aliphatic amine having amino groups of different reactivity.