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:
Apr. 04, 1989
Filed:
May. 11, 1988
Applicant:
Inventors:
Alois Aignesberger, Trostberg, DE;
Johann Plank, Saal/Donau, DE;
Assignee:
SKW Trostberg Aktiengesellschaft, Trostberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
106 90 ; 106102 ; 106103 ; 106117 ; 106 / ; 44 51 ; 252312 ; 2523131 ; 252353 ; 252-8514 ; 252-8554 ;
Abstract
The invention relates to condensation products of aldehydes and ketones, which contain acid groups and are especially suitable as dispersants for binding agent mixtures of high salt content.