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.

Date of Patent:
Jun. 16, 1981

Filed:

May. 22, 1979
Applicant:
Inventor:

Ernesto Brandolese, Graffignana, IT;

Assignee:

Snamprogetti S.p.A., Milan, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 495 ; 252 336 ; 252 34 ; 252 347 ; 252 493 ; 252 / ; 252392 ; 562433 ; 562437 ; 562455 ; 562553 ; 562567 ;
Abstract

Rust-inhibiting compounds, especially for aqueous systems such as tool-lubricating emulsions for machine tools and which consist of amine salts of a number of monoaminoalkylene dicarboxylic acids are disclosed. These rust-inhibitors are used in combination with water and an alkanolamine. Examples and test results are given.


Find Patent Forward Citations

Loading…