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:
May. 12, 1987
Filed:
Sep. 26, 1985
Joachim Jesse, Weisenheim, DE;
BASF Aktiengesellschaft, , DE;
Abstract
Improved lakes based on basic dyes and heteropolyacids (PM, PTM, SM, PSTM and STM) are prepared by a process in which the lakes are heated to 50.degree.-100.degree. C. at pH 2-5 in the presence of (1) primary, secondary or tertiary aliphatic amines, (2) alkylamino-C.sub.2 -C.sub.8 -alkanoic acids, (3) diaryl- or triarylamines, (4) acidic or neutral phosphates based on fatty alcohols, their ethylene oxide or propylene oxide/ethylene oxide adducts, polypropylene glycol, polyethylene glycol, or propylene oxide/ethylene oxide block copolymers, (5) sulfuric acid half esters of fatty alcohols, of their ethylene oxide adducts or alkylphenol/ethylene oxide adducts, (6) C.sub.8 -C.sub.20 -alkanoic acids and alkenoic acids, alkylbenzenesulfonic acids, alkylnaphthalenesulfonic acids or dialkylsulfimides, (7) alkylphenol/ethylene oxide adducts, alkanol/ethylene oxide adducts or alkylamine/ethylene oxide adducts, (8) propylene glycols or propylene oxide/ethylene oxide block copolymers of alkanediols or -polyols or (9) naphthols or alkylphenols. The pigments obtained possess improved tinctorial properties and performance characteristics and are readily dispersible in printing inks. The prints exhibit high gloss and high transparency.