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:
Mar. 09, 1982
Filed:
Jan. 03, 1978
Applicant:
Inventors:
Hans-Heinz Molls, Leverkusen, DE;
Willy Schiwy, Leverkusen, DE;
Reinhold Hornle, Cologne, DE;
Reinhard Nebeling, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
260143 ; 8544 ; 260162 ; 260163 ; 260169 ; 260203 ; 260204 ; 260208 ; 2603473 ; 26034819 ; 260371 ; 260376 ; 2603 / ; 2604 / ; 2604 / ; 260684 ; 260691 ; 544339 ; 562470 ; 564271 ; 564272 ; 568333 ; 568437 ; 568608 ; 568764 ; 585 25 ;
Abstract
Chemical reaction products, obtained in an alkaline medium and which require the addition of a dispersing agent, are neutralized by addition of a free surface-active acid to which, after its preparation, basic agents have not been added or have only been added up to a pH value of 3.