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:
Aug. 27, 2019
Filed:
Oct. 17, 2008
Joseph R. Carlise, Lisle, IL (US);
Olga E. S. Lindeman, Brookfield, WI (US);
Peter E. Reed, Plainfield, IL (US);
Peter G. Conrad, Sugar Land, TX (US);
Leonard M. Ver Vers, Downers Grove, IL (US);
Joseph R. Carlise, Lisle, IL (US);
Olga E. S. Lindeman, Brookfield, WI (US);
Peter E. Reed, Plainfield, IL (US);
Peter G. Conrad, Sugar Land, TX (US);
Leonard M. Ver Vers, Downers Grove, IL (US);
Ecolab USA Inc., St. Paul, MN (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 homo- or co-polymers of N-alkyl(alkyl)acrylamide synthesized by polymerizing one or more N-alkyl(alkyl)acrylamide monomers in a solvent comprising a glycol ether of formula CH—(CH)—(O—CH—CH)—OH where m is an integer of 0-1, and n is an integer ≥1.