Patents
Patents for C14C - Treating skins, hides or leather with chemicals, enzymes or micro-organisms, e.g. tanning, impregnating or finishing; Apparatus therefor; Compositions for tanning (21)
05/2002
05/08/2002CN1084173C Machine for making glues fast dry and reactivate
10/1997
10/01/1997CN1160519A Machine for quickly drying and reactivating glues
11/1995
11/22/1995EP0559867B1 Use of phosphonium compounds in the production of leather
11/08/1995EP0681030A2 Use of phosphonium compounds in the production of leather
12/1994
12/27/1994US5376142 Including a hydroxyalkylphosphonium compound as shrinkage inhibitor
09/1993
09/15/1993EP0559867A1 Use of phosphonium compounds in the production of leather.
08/1993
08/05/1993WO1993006249A3 Use of phosphonium compounds in the production of leather
05/1993
05/12/1993CN1071956A Use of phosphonium compounds in production of leather
03/1993
03/28/1993WO1993006249A2 Use of phosphonium compounds in the production of leather
03/28/1993CA2096844A1 Use of phosphonium compounds in the production of leather
05/1989
05/03/1989CN1004078B Process for preparation of fish skin
12/1988
12/13/1988CA1246607A1 2,2-bis(2-perfluoroalkyl ethylthio)acetaldehydes and process for preparing the same
01/1988
01/26/1988US4721812 2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof
07/1987
07/29/1987CN86107461A Process for preparation of fish skin
07/28/1987US4683339 2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof
09/1986
09/10/1986CN85108677A Process for the preparation of acetaldehyde derivatives
06/1986
06/04/1986EP0183612A1 Bis(perfluoroalkyl-2-ethylthio)-2,2-acetaldehydes and process for their preparation
04/1979
04/24/1979CA1052954A1 Tanning of hides
04/03/1979CA1051737A1 Method, product and apparatus for cleaning the cuticle
09/1977
09/06/1977US4046591 Method for cleaning the epidermis using a magnetic field
08/1977
08/16/1977US4042321 Tanning of hides