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:
Jan. 18, 1983
Filed:
Aug. 07, 1981
Applicant:
Inventors:
Volker Aign, Monheim, DE;
Karlheinz Wolf, Leverkusen, DE;
Reinhold Hornle, Cologne, DE;
Norbert Pusch, Leverkusen, DE;
Klaus Walz, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C / ; C09D / ; D06P / ;
U.S. Cl.
CPC ...
1063 / ; 8636 ; 106293 ; 106299 ; 106300 ; 106301 ; 106302 ; 106304 ; 106305 ; 106307 ;
Abstract
Aqueous dyestuff dispersions containing water-insoluble dyestuffs and water-soluble oxalkylation products which can be obtained by subjecting aromatic compounds containing phenolic OH groups to a condensation reaction with formaldehyde and amines which contain a NH group which is reactive towards formaldehyde, or containing derivatives of such oxalkylation products are suitable for pigmenting natural or synthetic materials.