Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting an...
Patent
1996-02-12
1998-03-03
Medley, Margaret
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting an...
508469, 508496, C10M14522, C08G 6316
Patent
active
057234175
ABSTRACT:
An oil-soluble polyester having a weight average molecular weight of 10,000 to 1,000,000, which is a polycondensate prepared by polycondensing the following ingredients (A) and (B): (A) a dicarboxylic acid ingredient, and (B) a diol ingredient comprising (i) a hindered glycol represented by the following formula: HO--CH.sub.2 --CR.sup.1 R.sup.2 --CH.sub.2 --OH wherein R.sup.1 and R.sup.2 independently represent a linear or branched alkyl group, and (ii) an alkylene glycol having at least 4 carbon atoms in the main chain. This oil-soluble polyester is useful as an additive for a lubricating oil.
REFERENCES:
patent: 2424588 (1947-07-01), Sparks et al.
patent: 3609085 (1971-09-01), Langenfeld
patent: 3850682 (1974-11-01), Sturwold et al.
patent: 3871837 (1975-03-01), Bedague et al.
patent: 3888908 (1975-06-01), Cross et al.
patent: 4130494 (1978-12-01), Shaub et al.
patent: 4684473 (1987-08-01), Bock et al.
patent: 4935488 (1990-06-01), Omatsu et al.
patent: 5314634 (1994-05-01), Kenbeek et al.
patent: 5342433 (1994-08-01), Kondo et al.
English Abstract of JP 53102307, Sep. 6, 1978.
English Abstract of JP 52131982, Nov. 5, 1977.
English Abstract of JP 1311122, Dec. 15, 1989.
English Abstract of JP 48031186, Apr. 24, 1973.
Hasegawa Shinsuke
Igarashi Junichi
Ishikawa Yoshihide
Kitahara Shizuo
Miyamoto Michio
Harima Chemicals Inc.
Medley Margaret
Nippon Oil Company Ltd.
Nippon Zeon Co. Ltd.
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