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:
Jan. 25, 1977
Filed:
Dec. 24, 1974
Applicant:
Inventor:
Dann T Deaver, Harper Woods, MI (US);
Assignee:
Tecnik International Corporation, Mount Clemens, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
A composition for reinforced high density rigid polyurethane products including conventional rigid polyurethane foam materials and including silica sand as a filler in quantities ranging from 10% to 75% by weight and chopped glass fibers as a reinforcing agent in quantities ranging from 3% to 25% by weight and the method of making the same with the products having a density of from about 10 to about 80 lb/ft.sup.3.