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:
Oct. 12, 1976
Filed:
Jan. 07, 1974
Applicant:
Inventors:
Robert C Pomerhn, Cheektowaga, NY (US);
Robert M Johnson, Kenmore, NY (US);
Assignee:
National Gypsum Company, Buffalo, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
162133 ; 162145 ; 162153 ; 163154 ; 162155 ; 162171 ; 162183 ;
Abstract
An improved low density asbestos-cement product and the process whereby it is produced wherein an asphalt emulsion is combined with the formulation from which the product is made, which asphalt emulsion has an asphalt phase which asphalt has a softening point of at least 150.degree.F and is dispersed in water in globules all smaller than 10 microns.