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:
Dec. 21, 1976
Filed:
Apr. 25, 1975
Applicant:
Inventors:
Volker Aign, Monheim, D;
Klaus Walz, Bergisch Neukirchen, D;
Reinhold Hornle, Cologne, D;
Karlheinz Wolf, Leverkusen, D;
Norbert Pusch, Leverkusen, D;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, D;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ; C08J / ;
U.S. Cl.
CPC ...
1063 / ; 1062 / ; 106300 ; 106307 ; 1062 / ; 106293 ; 106301 ; 106302 ; 106304 ;
Abstract
Aqueous pigment dispersions which contain organic or inorganic pigments and water-soluble oxalkylation products of compounds which are obtainable by condensation of aromatic compounds, containing phenolic OH groups, or their ethers, especially lower alkyl ethers, with formaldehyde and amines which contain at least 2 NH groups which are reactive towards formaldehyde, or derivatives of such oxalkylation products are suitable for pigmenting natural or synthetic materials.