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:
Jun. 03, 1997
Filed:
Jul. 26, 1995
Applicant:
Inventors:
Manian Ramesh, Lisle, IL (US);
Ananthasubramanian Sivakumar, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C02F / ;
U.S. Cl.
CPC ...
252341 ; 252331 ; 252344 ; 252-3 ; 252 58 ; 210708 ; 524922 ;
Abstract
A method for breaking an oil-in-water emulsion which comprises the addition of a hydrophobically-modified polyelectrolyte copolymer comprising a diallyldimethylammonium chloride and a hydrophobically-associating monomer selected from the group consisting of quaternized dialkylaminoalkylacrylates, quaternized dialkylaminoalkylmethacrylates, and alkyl esters of (meth)acrylic acids, preferably ethylhexylacrylate, to the emulsion.
Ramesh, Manian. (1997). Hydrophobically-modified demulsifiers for oil-in-water systems (U.S. Patent No. 5635112). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5635112
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile