公开(公告)号：US20190055484A1

公开(公告)日：2019-02-21

申请号：US16104794

申请日：2018-08-17

申请人： Ecolab USA Inc.

发明人： Jeremy Wayne Bartels ,  Regan Andrew Jones ,  Jeff Michael Servesko

IPC分类号： C10G75/02 ,  C08L33/26 ,  C08F20/56

摘要： Polymers are provided for use in inhibiting gas hydrate formation and/or corrosion in hydrocarbon-containing fluids. The polymer comprises repeat units derived from a first monomer comprising N-[3-(dibutylamino)propyl]methacrylamide (DBAPAMA) or an alkyl, acetyl, acryloyl or benzyl quaternary salt thereof, N-[3-(diisobutyl)propyl]methacrylamide or an alkyl, acetyl, acryloyl or benzyl quaternary salt thereof, N-[3-(diisopentyl)propyl]methacrylamide or an alkyl, acetyl, acryloyl or benzyl quaternary salt thereof, or a combination thereof; and repeat units derived from a second monomer comprising acrylamide, N-alkylacrylamide, N-alkyl (alkyl)acrylamide, ((dialkylamino)alkyl)acrylamide or an alkyl or benzyl quaternary salt thereof, ((dialkylamino)alkyl)alkylacrylamide or an alkyl or benzyl quaternary salt thereof, acrylic acid, alkyl acrylate, N,N-(dialkylamino)alkyl acrylate or an alkyl or benzyl quaternary salt thereof, N,N-(dialkylamino)alkyl (alkyl)acrylate or an alkyl or benzyl quaternary salt thereof, hydroxyalkyl acrylate, hydroxyalkyl (alkyl)acrylate, acrylamido alkyl sulfonic acid or a salt thereof, a diallyl dialkyl quaternary ammonium salt, or a combination thereof. The second monomer does not comprise the first monomer.

公开(公告)号：US20190382360A1

公开(公告)日：2019-12-19

申请号：US16440663

申请日：2019-06-13

申请人： Ecolab USA Inc.

发明人： Jeff Michael Servesko ,  Jeremy Wayne Bartels ,  Regan Andrew Jones ,  Corbin Metoyer

IPC分类号： C07D295/15 ,  C10L3/10 ,  C10G75/04 ,  C07C229/24 ,  C07C227/10 ,  C07C67/12 ,  C07C233/20 ,  C07C231/12 ,  C10L10/04 ,  C02F1/68

摘要： This disclosure relates to anti-agglomerant low dosage hydrate inhibitors that can inhibit the formation of hydrate agglomerants and/or plugs. Thus, provided herein are carboxy alkyl ester compounds that can be used in hydrate inhibitor compositions and methods of inhibiting formation of hydrate agglomerants in a fluid comprising water, a gas, and optionally a liquid hydrocarbon. Also provided herein are methods of making the carboxy alkyl ester compound.