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:
May. 12, 1998
Filed:
Aug. 30, 1996
Applicant:
Inventors:
Paul R Hart, The Woodlands, TX (US);
Michael A Dion, The Woodlands, TX (US);
Assignee:
BetzDearborn Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C01G / ;
U.S. Cl.
CPC ...
252321 ; 252358 ; 208 / ; 208100 ; 208184 ; 203 20 ; 201-9 ;
Abstract
Methods for controlling foam in hydrocarbon liquids within hydrocracking unit separator systems utilizing alkylphenolformaldehyde resin alkoxylates with a propylene oxide/ethylene oxide block copolymer having a molecular weight of from about 2000 to 6000 and having from about 20% to about 80% ethoxylation or an alkylarylsulfonic acid or alkylarylsulfonic acid amine salt to said hydrocarbon liquid.
Hart, Paul. (1998). Foam control method (U.S. Patent No. 5750052). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5750052
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile