The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 1989
Filed:
Aug. 20, 1987
Kiyohisa Eguchi, Kawanishi, JP;
Norio Kitamura, Itami, JP;
Terumasa Okamura, Kashiwa, JP;
Jouji Ohta, Ikoma, JP;
Director-General of Agency of Industrial Science & Technology, Tokyo, JP;
Taihei Chemical Industrial Co., Ltd., Osaka, JP;
Hanano Commercial Co., Ltd., Kobe, JP;
Kabushiki Kaisha Gosei Kagaku Kenkyusho, Tokyo, JP;
Abstract
The present invention provides a lubricant composition for metalworking at a temperature higher than 200.degree. C. which comprises as its active components (i) at least one alkali metal salts of phthalic acid and (ii) a glass composition comprising 20 to 70% by weight of P.sub.2 O.sub.5, 8 to 72% by weight of M.sub.2 O wherein M is an alkali metal and 0 to 80% by weight of B.sub.2 O.sub.3, the ratio of component (i) to component (ii) being about 10:90 to about 90:10 in a total amount of 100 parts by weight.