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:
Jun. 25, 1985
Filed:
Jun. 04, 1982
Applicant:
Inventors:
Assignee:
Fiberglas Canada Inc., Toronto, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08J / ;
U.S. Cl.
CPC ...
521181 ; 521186 ; 521187 ; 521128 ; 521136 ;
Abstract
Phenolic foams and a method of producing phenolic foam material from phenol-formaldehyde resins having a phenol to formaldehyde mole ratio of between about 1:3 and 1:4.5 are described. These materials are useful for insulation and other uses, particularly in the building trades. They are dimensionally and thermally stable, fire resistant and low in cost.