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:
Jan. 10, 1984
Filed:
Oct. 21, 1982
Applicant:
Inventors:
Harold A Green, Havertown, PA (US);
Morris Weinstein, Paramus, NJ (US);
Kenneth W Prodo, Westfield, NJ (US);
Assignee:
Millmaster Onyx Group, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; C09K / ; B01J / ; C11D / ;
U.S. Cl.
CPC ...
252 / ; 252 / ; 252307 ; 252547 ; 564297 ; 564298 ; 175 69 ;
Abstract
Foaming agents for use in oil and gas production comprising n-octyl dimethylamine oxide, n-decyl dimethylamine oxide, branched decyl dimethylamine oxide, and mixtures thereof, all of which generate copious quantities of stable foam even in the presence of brine and hydrocarbons.