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US 7,888,521 B2Granted
Aluminum chelates
AssigneeChattem Chemicals, Inc.
InventorsJerry R. Patton, Robert W. Alverson
Life of this patent
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Abstract
Provided are aluminum chelates having the formula (I). Also provided are compositions having these chelates, methods of producing these chelates, and methods of modifying the viscosity of a liquid or a semisolid using these chelates.
Claims25
A compound having formula I:
- wherein
- R1 is H or a C1-C5 straight or branched alkyl, alkenyl or alkynyl and
- R2 is propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, tert-pentyl, or neopentyl.
A method of producing an aluminum gellant, the method comprising
- (a) reacting aluminum alkoxide with a compound having formula II:
- in a manner sufficient to produce an intermediate having formula III:
- wherein R2 is propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, tert-pentyl, or neopentyl, then
- (b) reacting the intermediate having formula III with a compound having formula IV:
- in a manner sufficient to produce a compound of formula I:
- wherein R1 is H or a C1-C5 straight or branched alkyl, alkenyl or alkynyl,
- R2 is propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, tert-pentyl, or neopentyl, and
- wherein the compound of formula I is the aluminum gellant.
5 more elements
Dependencies are inferred from the claim text.