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:
Feb. 19, 1991
Filed:
Sep. 28, 1989
Applicant:
Inventors:
Frank Bartkowiak, Cologne, DE;
Hans Schulze, Cologne, DE;
Wolf-Dieter Schroer, Munich, DE;
Gunther Boehmke, Leverkusen, DE;
Karlhans Jakobs, Bergisch Gladbach, DE;
Willi Schossler, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8574 ; 8532 ; 8533 ; 8583 ; 8586 ; 8610 ; 8922 ;
Abstract
The carrier mixture contains N-alkylphthalimides and compounds of the general formula ##STR1## in which R is C.sub.1 -C.sub.7 -alkyl; phenyl, benzyl or phenylethyl, which can be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl,
Bartkowiak, Frank. (1991). Carrier mixture for the dyeing of polyester materials: (U.S. Patent No. 4994089). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4994089
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile