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. 27, 1979
Filed:
Aug. 09, 1977
Applicant:
Inventors:
Hans-Peter Maier, Sulzbach am Taunus, DE;
Harpal Singh, Frankfurt am Main, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; C09B / ;
U.S. Cl.
CPC ...
8 21 / ; 8 21 / ; 8 22 ; 8 42 / ; 8 42 / ; 8 43 ; 8 85 / ;
Abstract
Semi-continuous process for dyeing of flat woolen textile articles with 1:2 or 1:1 metal complex dyestuffs, by padding the textile material with an aqueous liquor containing the dissolved dyestuffs and of from 80 to 120 g/l of dissolved urea, at a temperature of from 60 to 80.degree. C. and batching it up without intermediate drying, optionally with further heating, and allowing it to dwell in this state at a temperature of from 75 to 85.degree. C. for a period of from 4 to 14 hours.