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. 30, 2014
Filed:
Oct. 17, 2008
Peter G. Conrad, Sugar Land, TX (US);
Erick J. Acosta, Sugar Land, TX (US);
Kevin P. Mcnamee, Stafford, TX (US);
Brian M. Bennett, Sugar Land, TX (US);
Olga E. S. Lindeman, Brookfield, WI (US);
Joseph R. Carlise, Lisle, IL (US);
Peter G. Conrad, Sugar Land, TX (US);
Erick J. Acosta, Sugar Land, TX (US);
Kevin P. McNamee, Stafford, TX (US);
Brian M. Bennett, Sugar Land, TX (US);
Olga E. S. Lindeman, Brookfield, WI (US);
Joseph R. Carlise, Lisle, IL (US);
Nalco Company, Naperville, IL (US);
Abstract
A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more copolymers of N-alkyl(alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts of N,N-dialkylaminoalkyl(meth)acrylates and N,N-dialkylaminoalkyl(meth)acrylamides.