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. 28, 1977
Filed:
Jul. 24, 1975
Applicant:
Inventors:
Elizabeth A Blommers, Monroeville, PA (US);
Roy H Moult, Murrysville, PA (US);
Assignee:
Koppers Company, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 172 ; 260 293 ; 260 / ; 260 515 ; 260 / ; 260840 ;
Abstract
A urea-formaldehyde resin based adhesive that is resistant to heat and hydrolysis and hence is useful for exterior use in plywood and laminated timbers consists of a resorcinol terminated urea-formaldehyde resin having the general formula: ##STR1## where .eta. = 0 to 10, that is cured by conventional hardeners under neutral or alkaline conditions.
Blommers, Elizabeth. (1977). Curable resorcinol terminated urea-formaldehyde resins (U.S. Patent No. 4032515). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4032515
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile