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:
Apr. 06, 2010
Filed:
May. 19, 2004
Applicant:
Rodney Lee Cravey, Manvel, TX (US);
Inventor:
Rodney Lee Cravey, Manvel, TX (US);
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 69/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a composition of citric acid based emulsifiers comprising polyamides for oilfield drilling applications that exhibit very low fluorescence, and to a process for their preparation.
Cravey, Rodney. (2010). Citric acid based emulsifiers for oilfield applications exhibiting low fluorescence (U.S. Patent No. 7691960). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7691960
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile