(19)
(11) EP 0 096 919 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.01.1985 Bulletin 1985/03

(43) Date of publication A2:
28.12.1983 Bulletin 1983/52

(21) Application number: 83200784

(22) Date of filing: 01.06.1983
(84) Designated Contracting States:
BE DE FR GB IT NL SE

(30) Priority: 14.06.1982 JP 10060482
14.06.1982 JP 10060582
15.11.1982 JP 19903482

(71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
 ()

(72) Inventors:
  • Tanaka, Norimitsu
     ()
  • Okamoto, Toshihiko
     ()

   


(54) High dropping-point lithium-complex grease composition having improved extreme pressure properties


(57) High dropping-point lithium-complex grease composition having improved extreme pressure properties, comprising a lubricating oil and the following components:

(a) at least one lithium soap a C12 to C24 hydroxy fatty acid,

(b) at least one lithium salt of a boric acid, and

(c) at least one metal salt selected from the group consisting of

1) a potassium salt of a boric acid,

2) a sodium salt of a boric acid,

3) an alkaline earth metal salt of a boric acid, and

4) a zinc salt of a boric acid.







Search report