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:
Apr. 15, 1980
Filed:
Aug. 31, 1978
Applicant:
Inventors:
Richard L Ferm, Lafayette, CA (US);
Robert W Campbell, Lafayette, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 97 ; 264333 ;
Abstract
The strength of portland cement concrete structures which incorporate alkali metal or alkaline earth polysulfides is increased by heating the structures at temperatures above 110.degree. C.
Ferm, Richard. (1980). Process for producing concrete structures of high strength (U.S. Patent No. 4198245). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4198245
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile