Compositions – Etching or brightening compositions
Patent
1980-08-15
1988-01-26
Lovering, Richard D.
Compositions
Etching or brightening compositions
252 73, 252 75, 2523154, 514941, 562587, 568618, 568625, B01J 1300, C07C 59245, C09K 500
Patent
active
047215798
ABSTRACT:
A new type of ionic thickener for water-based products including functional fluids such as hydraulic fluids, cosmetic emulsions, etc. These new thickeners are prepared from polyoxyalklylene glycols, higher alkyl monoepoxides, lower alkyl monohalo lower alkyl carboxylates, and alkali metal hydroxide. These novel thickeners are generally characterized by the following formula: ##STR1## wherein R is a methylene or lower polymethylene group, R' is a higher alkyl group and R" is selected from the group consisting of oxyethylene groups and heteric or block copolymer mixtures of oxyethylene and other lower oxyalkylene groups, said copolymer containing at least 75 percent oxyethylene groups.
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patent: 4098818 (1978-07-01), Krummel et al.
patent: 4288639 (1981-09-01), Camp
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BASF Corporation
Lovering Richard D.
Michaels Joseph D.
Swick Bernhard R.
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