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:
Dec. 24, 1985
Filed:
Jan. 02, 1985
Applicant:
Inventors:
Donald N Schulz, Annandale, NJ (US);
Dennis G Peiffer, East Brunswick, NJ (US);
Ralph M Kowalik, Bridgewater, NJ (US);
Jeffrey J Kaladas, South Bound Brook, NJ (US);
Assignee:
Exxon Research and Engineering Co., Florham Park, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
523175 ; 526287 ; 526288 ; 5263073 ;
Abstract
A method for reducing the frictional drag of an aqueous solution flowing through a pipe, tube or conduit having a continuous flow therethrough, which comprises the step of adding about 0.001 to about 0.1 wt. % of a copolymer to said aqueous solution, wherein said copolymer has the structure: ##STR1## wherein x is about 40 to about 99 mole % and y is about 1 to about 60 mole %.