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. 27, 1976
Filed:
Nov. 05, 1973
Applicant:
Inventors:
Dale R Greve, Beaverton, OR (US);
Eugene D O'Neill, Miami, FL (US);
Assignee:
Georgia-Pacific Corporation, Portland, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106111 ; 106116 ;
Abstract
The water resistance of gypsum products, such as gypsum wallboard, is improved by incorporating in the composition from which the gypsum product is made polyvinyl alcohol and wax-asphalt emulsion.