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:
Sep. 01, 1998
Filed:
Feb. 21, 1996
Applicant:
Inventor:
Richard R Klimpel, Midland, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B02C / ; B02C / ;
U.S. Cl.
CPC ...
241 16 ; 241 20 ; 241 21 ; 252314 ; 252 61 ; 209166 ;
Abstract
The efficiency of grinding materials is improved by the addition of hydroxy-carboxylic acids of five to six carbon atoms contasining at least three hydroxyl groups and from one to two carboxyl grpous or their soluble salts as grinding aids. The grinding aids can be added as such or formed in situ by the oxidation of saccharides.