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. 22, 1998
Filed:
Jul. 24, 1997
Applicant:
Inventors:
Paul R Hart, The Woodlands, TX (US);
Jen-Chi Chen, Morrisville, PA (US);
Fu Chen, Newtown, PA (US);
Thai H Duong, Houston, TX (US);
Assignee:
BetzDearborn Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
252329 ; 252330 ; 252331 ; 252358 ;
Abstract
Methods and compositions for breaking oil and water emulsions are disclosed. Oil and water emulsions are broken by treating the emulsion with a copolymer of tannin and a cationic monomer. The preferred composition is an aqueous solution of a copolymer of tannin and a cationic monomer, a water soluble organic multivalent salt and a glycol. The preferred salt is aluminum chlorohydrate and the preferred glycol is hexylene glycol.
Quick Actions:
Hart, Paul. (1998). Method of and composition for breaking oil and water emulsions in crude (U.S. Patent No. 5851433). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5851433
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile