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. 10, 1990
Filed:
May. 06, 1988
Applicant:
Inventors:
Elizabeth L Otloski, Haslett, MI (US);
George H Sollner, Lansing, MI (US);
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
523219 ; 521 54 ; 523218 ; 528 77 ;
Abstract
Polyurethane syntactic foam compositions having high glass transition temperatures and low coefficients of thermal expansion suitable for use in tooling applications as modeling stock are prepared from polymeric isocyanate, an amine-based polyol, a polyether triol, molecular sieve material and hollow microspheres.