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:
Mar. 09, 1976
Filed:
Jul. 26, 1974
Applicant:
Inventors:
Fred David Martin, McMurray, PA (US);
Jerry Emile Boothe, Pittsburgh, PA (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
F17D / ; E21B / ;
U.S. Cl.
CPC ...
252 / ; 137 13 ; 166307 ; 166308 ; 252-2 ; 252 / ;
Abstract
Use of poly (dimethylaminomethyl acrylamide) as a friction reducer for aqueous fluids flowing through a conduit, especially for the aqueous hydraulic fracturing of subterranean formations.
Martin, Fred. (1976). Friction reducing (U.S. Patent No. 3943060). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3943060
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile