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. 02, 2000
Filed:
Sep. 19, 1997
Applicant:
Inventors:
Gerd Friedrich Renner, Kurten, DE;
Michael Pirkotsch, Leverkusen, DE;
Klaus Walz, Leverkusen, DE;
Torsten Groth, Odenthal, DE;
Winfried Joentgen, Koln, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L / ; D06L / ;
U.S. Cl.
CPC ...
8111 ; 8101 ; 8107 ; 510531 ; 510533 ; 510309 ; 510316 ; 510317 ; 510318 ; 252-881 ; 252-884 ; 252-885 ; 252-886 ;
Abstract
Iminodisuccinic acids of the formula ##STR1## the substituents of which have the meaning given in the description, are bleaching regulators in H.sub.2 O.sub.2 bleaching of textile-forming natural plant fibers or silk, wool and their mixtures with synthetics.