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:
Feb. 17, 1981
Filed:
Aug. 25, 1978
Applicant:
Inventors:
Wolfgang Hesse, Breckenheim, DE;
Richard Sattelmeyer, Schlangenbad-Georgenborn, DE;
Eckart Teschner, Hunstetten-Limbach, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
260 293 ; 51295 ; 51298 ; 525501 ;
Abstract
A synthetic resin binder comprising an aqueous mixture of phenolic resins and optionally other additives wherein the mixture of phenolic resins comprises (I) at least one phenol-resol and (II) at least one co-condensate of at least one monohydric phenol and at least one polyhydric phenol with formaldehyde and wherein in component (II) the molar ratio of the quantities of formaldehyde used to the sum of phenols is within the range of from 0.6:1 to 1.5:1, a method for the manufacture of an abrasive by means of said synthetic resin binder and the abrasives itself.