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:
Aug. 07, 2007
Filed:
Dec. 23, 2004
Murugan Chandrabose, Chennai, IN;
Nishtar Nishad Fathima, Chennai, IN;
Kalarical Janardhanan Sreeram, Chennai, IN;
Jonnalagadda Raghava Rao, Chennai, IN;
Balachandran Unni Nair, Chennai, IN;
Thirumalachari Ramasami, Chennai, IN;
Murugan Chandrabose, Chennai, IN;
Nishtar Nishad Fathima, Chennai, IN;
Kalarical Janardhanan Sreeram, Chennai, IN;
Jonnalagadda Raghava Rao, Chennai, IN;
Balachandran Unni Nair, Chennai, IN;
Thirumalachari Ramasami, Chennai, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
A process of combination tannage is disclosed whereby Zirconium salt is complexed with THP salt to produce wet pink leather without using any conventional dye. The resulting leathers exhibit a shrinkage temperature of more than 100° C., and other properties comparable to those of conventionally processed leathers.