Compositions – Leather or fur treating
Patent
1983-12-08
1985-01-01
Guynn, Herbert B.
Compositions
Leather or fur treating
252 475, 548237, C09K 700, C09K 300, E21B 300
Patent
active
044915241
ABSTRACT:
Aqueous drilling fluids containing a minor amount of an additive composition featuring oxazolines of C.sub.1 -C.sub.30 alkylthioglycolic acid. Such fluids are especially useful where reduced torque drilling fluids are needed. Another embodiment of this invention relates to a method of drilling utilizing the above-described fluids.
REFERENCES:
patent: 3039961 (1962-06-01), Harker
patent: 3996237 (1976-12-01), Tomalia
patent: 4045447 (1977-08-01), Arlt
patent: 4064055 (1977-12-01), Carney
Combret and Tekin, "Preparation of Dichloromethyl-2 Dimethyl-4.4-Oxazoline . . . ", Sep. 26, 1977, Series C, pp. 249-251, Comptes Rendus, Academy of Sciences.
Chemical Abstracts Service Registry No. 24448-05-3, 2-Oxazoline-4-Methanol, 2-[(Dodecyl-Thio)Methyl]-4-Methyl- from CAold file (1967-date).
Brois Stanley J.
Brownawell Darrell W.
Gutierrez Antonio
Walker Thad O.
Dexter Roland A.
Exxon Research & Engineering Co.
Guynn Herbert B.
Kilby Catherine S.
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