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:
Aug. 28, 1979
Filed:
Dec. 06, 1977
Applicant:
Inventors:
Franz Weissenfels, Siegburg, DE;
Hans Junger, Troisdorf, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521100 ; 260 38 ; 260 / ; 521181 ;
Abstract
Foamed phenolic resins containing CaSO.sub.4. nH.sub.2 O, where n is 0-2, having reduced tendency to shrink and reduced weight loss on aging.