| Patents for C14C 3 - Tanning; Compositions for tanning (2,056) |
|---|
| 07/22/1993 | WO1993014170A1 Method for the removal of metals from starting materials comprising proteinaceous substances as well as material obtainable according to such a method |
| 07/22/1993 | DE4201452A1 Polymere gerbstoffe Polymeric tannins |
| 07/22/1993 | CA2128245A1 Method for the removal of metals from starting materials comprising proteinaceous substances as well as material obtainable according to such a method |
| 07/07/1993 | EP0549968A1 Surface-active compounds based on modified oxalkylated novolaks, their preparation and their application |
| 06/24/1993 | WO1993012259A1 Method for tanning of hides by means of tanning agents |
| 06/17/1993 | DE4140899A1 Water-soluble condensn. prods. prepn. for tanning agents - by partial oxidn. of glyoxal using excess nitric acid, then reaction with melamine, dicyandiamide, or (thio) urea and condensable cpds. etc. |
| 05/26/1993 | EP0543689A1 Compositions to simultaneously tan and dye hides and their production process |
| 05/19/1993 | CN1020753C Technique for making fur coat with goose down |
| 05/18/1993 | US5212272 Polymerization of acrylic acid monomers in the presence of acid catalysts |
| 05/12/1993 | CN1071956A Use of phosphonium compounds in production of leather |
| 05/05/1993 | CN1020475C Non-pollution dual tanning technology for glutaric aldehyde pigskin leather |
| 05/04/1993 | US5207802 Sulpho group-containing aromatic compounds, their production and use as dispersants or levelling agents in dyeing textiles or tanning leather |
| 04/07/1993 | CN1070689A Method for tanning base leather with combination of urea cycle with plant tanning agents |
| 03/28/1993 | WO1993006249A2 Use of phosphonium compounds in the production of leather |
| 03/28/1993 | CA2096844A1 Use of phosphonium compounds in the production of leather |
| 03/24/1993 | EP0533011A1 Process for producing chrome-tanned leather |
| 03/20/1993 | CA2078411A1 Process for producing chrome leather |
| 03/18/1993 | WO1993005188A1 Aqueous dispersions of novel amphiphilic co-oligomers for imparting a washing and cleaning-resistant finish to leather and pelts and their use |
| 03/04/1993 | DE4129244A1 Waessrige dispersionen von neuen amphiphilen co-oligomeren fuer die wasch- und reinigungsbestaendige fettende ausruestung von leder und pelzfellen sowie ihre verwendung Aqueous dispersions of new amphiphilic co-oligomeric for the washing and reinigungsbestaendige greasy exclamation of leather and fur skins and their use |
| 02/10/1993 | EP0526815A1 Process for tanning/impregnation and/or post-tanning of leather |
| 02/04/1993 | WO1993002218A1 Dilutable aluminium triformate tanning agent in storage-stable highly concentrated, water-dissolved form, and its use |
| 02/04/1993 | CA2113548A1 Dilutable aluminium triformate tanning agents in the form of highly concentrated, storable aqueous solutions and their use |
| 01/27/1993 | CN1068343A Preparation process of anion-type water-thinned polyurethane for tanning |
| 01/27/1993 | CN1068342A Preparation process of cation-type water-thinned polyurethane for tanning |
| 01/20/1993 | EP0523507A1 Dilutable aluminium-triformiate tanning agents in highly concentrated water-solved and storage stable form and their use |
| 01/14/1993 | DE4121865A1 Post-tanning, dyeing and dubbing of leather - by spraying without using treatment bath |
| 01/05/1993 | CA1312234C Edible films of collagen, with a content of gluten, in particular wheat gluten, a process for the production of these, and the use of such films for encasing foodstuffs |
| 12/30/1992 | EP0520182A1 Condensates of sulphonated phenols, urea, other organic nitrogen containing bases and formaldehyde and their use as tanning agent or as spray composition for redispersable polymer powders |
| 12/23/1992 | EP0406234B1 Process for recovering chromic anhydride from exhausted aqueous chromium plating bath solutions with exploitation of the recovered chromium |
| 11/26/1992 | DE4116872A1 Low pressure impregnation of porous solid material - with liq. or gas e.g. tanning agent, dye, pesticide, preserving agent, etc. |
| 11/18/1992 | CN1019135B Mfg. mehtod for auxiliary bleaching synthetic tanning agent |
| 11/18/1992 | CN1019134B Method for mfg. bleaching chromium-containing synthetic compound tanning agent |
| 11/03/1992 | CA1309561C Retanning process |
| 10/29/1992 | WO1992018457A1 Process for tanning hides and compounds for use therein |
| 10/07/1992 | CN1065097A Tanning technology for snake skin |
| 09/23/1992 | CN1064705A Polymeric retan fatliquor for low fogging upholstery leather |
| 09/17/1992 | DE4108139A1 Leather or fur tanning - using condensate of melamine, para-formaldehyde, poly:hydric alcohol and di- or tri-alkanolamine |
| 09/15/1992 | US5147693 Biologically stable, untanned wet animal hides |
| 08/12/1992 | EP0498634A2 The use of a polymeric retan fat liquor for low fogging upholstery leather |
| 08/06/1992 | WO1992013105A1 Method of self-tanning, pre-tanning and co-tanning skins and hides and for retanning leather and hides |
| 08/06/1992 | CA2059834A1 Polymeric retan fatliquor for low fogging upholstery leather |
| 08/05/1992 | CN1063312A Process of treatment pelts or leather, tanning agents and process of production |
| 08/05/1992 | CN1017724B Chromium-rare earth hides-tanning waste chromium liquid closed cycle technology |
| 07/30/1992 | DE4102545A1 Verfahren zum alleingerben, vorgerben und mitgerben von bloessen und fellbloessen und zum nachgerben von leder und fell Process for self, pretanning and pelts and fellbloessen and retanning of leather and fur |
| 07/29/1992 | EP0495873A1 A method of treating hides. |
| 07/15/1992 | CN1062766A Fur leather producing method and use |
| 07/09/1992 | WO1992011391A1 Method for processing hides or leather, tanning agents and method for manufacturing same |
| 05/14/1992 | WO1992007962A1 Softening filler for leather |
| 05/12/1992 | US5112583 Process for recovering chromic anhydride from exhausted aqueous chromium plating bath solutions with exploitation of the recovered chromium |
| 05/05/1992 | CA1299822C Biologically stabilized untanned skins and process for their preparation |
| 05/01/1992 | WO1992007883A1 Polyacrylic acid compositions for textile processing |
| 04/14/1992 | US5103521 Leather treatment agent and its use |
| 04/08/1992 | CN1060113A Grease increasing agent for leather |
| 04/01/1992 | CN1059936A Non-salt composite tanning technology for fur |
| 03/25/1992 | EP0264398A4 Process for the treatment of wool skins |
| 03/24/1992 | US5098446 Surfactants for treatment of leather, hydration, pickling, degreasing and tanning |
| 03/18/1992 | CN1059563A Tanning agent and method for preparing same |
| 03/11/1992 | EP0474075A2 Aromatic condensation products |
| 03/08/1992 | CA2050518A1 Aromatic condensation products |
| 03/04/1992 | CN1059169A Processing method for tanning down fur |
| 02/19/1992 | CN1058787A Making method of multi-functional acrylic acid double tanning agent |
| 02/13/1992 | DE4025344A1 Post-tanning mineral-tanned leather - with phenol sulphonic acid deriv. or naphthol sulphonic acid deriv. |
| 02/12/1992 | EP0470465A1 Process of retanning leather previously subjected to mineral tanning with aromatic sulphonic acids |
| 01/08/1992 | CN1057676A Defatting agent for goose skin and the relevant tanning process |
| 12/25/1991 | CN1015182B Technologic process for solving thoroughly the loosing face of the face leather of a cattlehide shoes |
| 12/11/1991 | CN1056898A Technique of making fur coat with goose down |
| 11/27/1991 | CN1056531A Method for making light leather |
| 11/20/1991 | CN1014801B Process for preparing goose down skin |
| 10/23/1991 | CN1014431B Method for tanning fowl (duck or goose) down skin |
| 10/01/1991 | CA1289701C Process for tanning fish skin |
| 09/25/1991 | CN1014077B Process for tanning fish skin |
| 08/14/1991 | DE4102867A1 Treatment of fabrics in aq. media |
| 07/31/1991 | CN1053448A Manufacturing method of bleaching chromium-containing synthetic compound tanning agent |
| 07/31/1991 | CN1053447A Manufacturing method of auxiliary bleaching synthetic tanning agent |
| 07/10/1991 | CN1052898A Productive technology of soft ass leather |
| 07/02/1991 | CA1285351C Leather treatment agent and its use |
| 06/19/1991 | EP0432300A1 Process for making split leather and its application |
| 06/05/1991 | EP0429830A2 Method of tanning hides and retanning chrome-tanned leather |
| 05/22/1991 | EP0428481A1 Method of treating leather and furs |
| 04/30/1991 | US5011499 Tanning agent formulation for manufacture of semifinished leather products |
| 04/24/1991 | CN1050901A Chromium-rare earth hides-tanning waste chromium liquid closed cycle technology |
| 04/18/1991 | DE3933478A1 Prepn. of chelate former - by reacting sulphonated phenol(s) opt. with un-sulphonated phenol(s), with formaldehyde in alkaline medium and use in tanning leather |
| 04/17/1991 | EP0422954A1 Use of fluorochemicals in leather manufacture |
| 04/14/1991 | WO1991005877A1 A method of treating hides |
| 04/14/1991 | CA2065862A1 Method of treating hides |
| 04/14/1991 | CA2025027A1 Use of fluorochemicals in leather manufacture |
| 03/12/1991 | US4999024 Making a water washable product, sealing oils and greases in the pores |
| 02/28/1991 | DE4026255A1 Novel sulphonated aromatic cpds. useful as dispersants |
| 02/27/1991 | CN1049526A Method for tanning skin |
| 02/27/1991 | CN1049525A Non-tanning and biostabilizing wet hide |
| 02/06/1991 | EP0411986A1 Untanned hides biologically stable in wet form |
| 01/29/1991 | CA2022044A1 Untanned, biologically stable skins, in humid form |
| 01/16/1991 | EP0408097A1 Tanning process of hides |
| 01/11/1991 | CA2020548A1 Skin tanning process |
| 01/09/1991 | EP0406234A1 Process for recovering chromic anhydride from exhausted aqueous chromium plating bath solutions with exploitation of the recovered chromium. |
| 01/02/1991 | CN1048234A Goose down fur and its ripening process |
| 12/25/1990 | US4980437 Acrylic copolymers for re-tanning |
| 12/18/1990 | US4978361 Economy chrome tanning |
| 12/12/1990 | CN1010787B Preparing method of greasing agent for leather |
| 11/06/1990 | CA1275755C Process for the retanning of chrome leathers |