Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2007-05-08
2007-05-08
Page, Thurman K. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C560S179000, C562S553000, C562S574000, C564S152000, C564S158000
Reexamination Certificate
active
10783188
ABSTRACT:
The invention provides the use of compounds of the formula (1)whereR1, R2are each independently C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl,R3is C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, —CHR5—COO−or —O−,R4is M, hydrogen or an organic radical which optionally contains heteroatoms and has from 1 to 100 carbon atoms,B is an optionally substituted C1- to C30-alkylene group,D is an organic radical which optionally contains heteroatoms and has from 1 to 600 carbon atoms,X, Y are each independently O or NR6,R5, R6are each independently hydrogen, C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, andM is a cationas gas hydrate inhibitors.
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Dahlmann Uwe
Feustel Michael
Clariant Produkte ( Deutschland) GmbH
Page Thurman K.
Silverman Richard P.
Valenrod Yevgeny
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