C14C 3/16

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9970070 Chrome-free leather retanningOct 15, 14May 15, 18Rohm and Haas Company
8481169 LeatherJun 27, 08Jul 09, 13HONDA MOTOR CO., LTD., MIDORI HOKUYO CO., LTD.,
7771489 Formulation for use in chrome or chrome-free tannageAug 08, 03Aug 10, 10BASF AKTIENGESELLSCHAFT
5733340 Aqueous composition for the pretanning of hide pelts or retanning of leatherFeb 18, 97Mar 31, 98CIBA SPECIALTY CHEMICALS CORPORATION
5476516 Anticalcification treatment for aldehyde-tanned biological tissueMar 13, 92Dec 19, 95ALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
5372609 Self-tanning, pretanning and assist tanning of pelts and skin pelts and retanning of leather and skinJul 29, 93Dec 13, 94BASF AKTIENGESELLSCHAFT
5360453 Process for pickling and pretanning raw hidesJan 22, 93Nov 01, 94CIBA SPECIALTY CHEMICALS CORPORATION
4390340 Tanning agent, its preparation and its use for retanningJun 30, 81Jun 28, 83BASF AKTIENGESELLSCHAFT
4378224 Coating for bioprosthetic device and method of making sameSep 19, 80Mar 29, 83DOW CORNING WRIGHT CORPORATION, ARLINGTON, TENNESSEE
4378224 Coating for bioprosthetic device and method of making sameSep 19, 80Mar 29, 83DOW CORNING WRIGHT CORPORATION, ARLINGTON, TENNESSEE
4372743 Low-pressure fixation of valvular tissue intended for implantationJun 22, 81Feb 08, 83EDWARDS LIFESCIENCES CORPORATION
RE31035 Arrangement for preparing natural tissue for implantationJul 07, 78Sep 21, 82MEDTRONIC, INC.
4327997 Chrome utilization in chrome tanningAug 11, 80May 04, 82ROHM AND HAAS COMPANY
4285689 Leather tanning composition and methodJun 26, 79Aug 25, 81Seton Company
4270912 Stabilized tanning composition comprising a reaction product of (a) polyaldehyde (b) secondary amine and (c) an alcohol and methodJun 26, 79Jun 02, 81Seton Company