Patents for C14C 15 - Apparatus for chemical treatment or washing of hides, skins, or leather (454)
06/2005
06/28/2005US6910354 Process and an apparatus for processing animal hides
06/15/2005EP1540022A1 Improvement in drums for the treatment of skins, hides and leather
05/2005
05/11/2005EP1529850A1 Process for treating tanned leather wastes and apparatus therefor
05/11/2005CN2698801Y Wet heat setting vulcanizing machine enclosing heat exchanger using jacketed evaporator
04/2005
04/21/2005WO2005035141A1 Method for the continuous application of a compound on a moving body and a corresponding system
02/2005
02/17/2005US20050034245 Spiral system reactor for the treatment of hides and skins
02/16/2005EP1507012A1 Reactor for the treatment of hides and skins
11/2004
11/10/2004EP1157134B1 Leather tanning drum
10/2004
10/27/2004EP1470260A1 Device for leather processing
09/2004
09/23/2004US20040182118 Device for leather processing
09/09/2004US20040175468 pretreatment, molding and post-treatment of the second and/or the deeper layers of animal peltry; dog chew
09/08/2004EP1454536A1 Method and apparatus for processing pet product
07/2004
07/28/2004EP1441037A1 Spreader machine for tannery hides
07/22/2004WO2004061136A1 Device for leather processing
05/2004
05/19/2004EP1420071A2 Drum with improved structure for processing leather or similars
04/2004
04/07/2004CN2609933Y Stainless steel drum
02/2004
02/05/2004WO2004011683A1 Improvement in drums for the treatment of skins, hides and leather
01/2004
01/29/2004WO2004009852A1 Improved hide treatment
12/2003
12/25/2003US20030233709 Process and an apparatus for processing animal hides
09/2003
09/24/2003CN1443445A Production method of pet articles and its equipment
05/2003
05/28/2003CN1420937A Process and apparatus for processing animal hides
04/2003
04/16/2003CN1105783C Technique and equipment for processing hides
11/2002
11/20/2002EP1021567A4 Improved treatment of hides
10/2002
10/30/2002EP1252340A1 A process and an apparatus for processing animal hides
09/2002
09/26/2002WO2002074999A1 Method for vacuum treating porous materials and the corresponding installation and uses
09/18/2002EP1241270A1 Dying, greasing and fixation/finishing procedure of leather
06/2002
06/06/2002DE10060246A1 Manufacturing reconstituted leather from slaughterhouse waste, chrome leather waste and mineral fibers, employs tanning, degreasing, liming and pressure-swing processing
05/2002
05/14/2002US6387135 Treatment of hides
11/2001
11/28/2001EP1157134A1 Leather tanning drum
10/2001
10/23/2001US6306303 Washing process with waste water recycling
10/17/2001EP1144281A2 Device for advancing leather and the like
10/10/2001EP1141420A1 Dry milling drum
10/10/2001EP0951596B1 Washing process with waste water recycling
06/2001
06/28/2001DE19961745A1 Closed hide-and-skin tanning vessel with continuously-turning internal rotor is subjected to vacuum and pressure and includes odor prevention systems
06/14/2001WO2001042514A1 A process and an apparatus for processing animal hides
05/2001
05/10/2001WO2001032937A1 Dry milling drum
01/2001
01/09/2001US6171983 Fluroaliphatic dimer acid derivatives and use thereof
11/2000
11/28/2000US6151932 Drum for treating leather, fur and similar products
11/09/2000WO2000035781A3 Device for advancing leather and the like
11/09/2000EP1144281A3 Device for advancing leather and the like
09/2000
09/20/2000CN1267337A Improved treatment of hides
07/2000
07/26/2000EP1021567A1 Improved treatment of hides
07/13/2000WO2000040761A1 Leather tanning drum
07/06/2000DE19859256A1 New animal hide tanning and dying assembly has a thermally-stabilized vat combining liquid pumping and spray in a high-speed quality process
07/06/2000DE19821429C1 Leather conditioning process and assembly combines the application of oils, impregnation agents and velour substances in a single-stage process
06/2000
06/22/2000WO2000035781A2 Device for advancing leather and the like
06/21/2000DE19857658A1 Einrichtung für den Vorschub von Leder und dergl. Means for the advancement of leather and the like.
06/07/2000CN1053210C Products comprising base materials treated by surface fluoroaliphatic compound
05/2000
05/31/2000EP1004678A1 Drum for drum for milling, dyeing and tanning
03/2000
03/23/2000DE19933393A1 Fuller for processing leathers and pelts
03/15/2000CN2368854Y Low noise apparatus for coloring and polishing leather
12/1999
12/01/1999EP0960948A1 Drum for milling, dyeing and tanning
10/1999
10/27/1999EP0951596A1 Washing process with waste water recycling
10/13/1999CN1045622C Process and equipment for treatment of hides
06/1999
06/16/1999CN1219975A Process and apparatus for treating leather and like
04/1999
04/07/1999CN2312942Y Leather vacuum wet-processing apparatus
03/1999
03/04/1999WO1999010543A1 Improved treatment of hides
03/04/1999CA2301715A1 Improved treatment of hides
02/1999
02/24/1999CN1208759A Conserving type detergent for leather-clothing
02/17/1999EP0896635A1 Process and apparatus for treating leather and the like
02/09/1999US5868798 Applying treatment fluids under pressure to skins or hides stretched to extend and open their structures and mounted in a frame
11/1998
11/10/1998US5832751 Impregnating machine for surface impregnating hides or similar products
07/1998
07/16/1998WO1998030746A1 Washing process with waste water recycling
07/09/1998DE19700155A1 Kontinuierliches Waschverfahren mit Abwasserrückführung Continuous washing by water recycle
03/1998
03/11/1998EP0795035A4 Treatment of hides
02/1998
02/25/1998CN1037536C Producing method for artificial leather
01/1998
01/21/1998CN2272895Y Domestic leather electric ironing care device
12/1997
12/29/1997EP0813612A1 Impregnating machine for surface impregnating hides or similar
11/1997
11/13/1997WO1997042350A1 Process and apparatus for treating leather and the like
11/13/1997CA2253486A1 Process and apparatus for treating leather and the like
10/1997
10/29/1997CN1163636A Treatment of hides
09/1997
09/17/1997EP0795035A1 Treatment of hides
08/1997
08/05/1997US5653130 Process and device for applying liquids to the surface of leather or similar flat materials
02/1997
02/05/1997EP0757107A2 Apparatus for treating or working leather and other sheet materials, in particular for painting
08/1996
08/29/1996WO1996026294A1 Impregnating machine for surface impregnating hides or similar
02/1996
02/29/1996WO1996006192A1 Treatment of hides
02/29/1996CA2198150A1 Treatment of hides
01/1996
01/17/1996EP0613462B1 Fluoroaliphatic dimer acid derivatives and use thereof
11/1995
11/29/1995CN1112618A Producing method for artificial leather
10/1995
10/04/1995CN1109689A Process and device for applying liquids to the surface of leather or similar flat materials
08/1995
08/09/1995CN1106463A Process and installation for leather continous soaking up water in liquid
08/09/1995CN1106462A Installation and process for continous treating leather in liquid
05/1995
05/03/1995EP0650531A1 Process and device for applying liquids to the surface of leather or similar flat materials
11/1994
11/24/1994WO1994026936A1 Process and device for applying liquids to the surface of leather or similar flat materials
09/1994
09/07/1994EP0613462A1 Fluoroaliphatic dimer acid derivatives and use thereof.
08/1994
08/10/1994CN1025632C Treatment of skins and hides
06/1994
06/08/1994EP0600769A1 Device for spreading a powdery product and its use for spreading salt on animal skins
03/1994
03/23/1994EP0588103A1 Apparatus for treating hides
08/1993
08/17/1993US5235829 Roller dyeing machine for surface impregnating hides and similar products
05/1993
05/27/1993WO1993010085A1 Fluoroaliphatic dimer acid derivatives and use thereof
05/27/1993CA2121494A1 Fluoroaliphatic dimer acid derivatives and use thereof
05/19/1993CN1072199A Fluoroaliphatic dimer acid derivatives and use thereof
10/1992
10/22/1992DE4210335A1 Skin and pelt preservation from slaughter house to processing plant - has vessel contg. rotating drum with coolant air
05/1992
05/27/1992CN1061450A Roller dyeing machine for surface impregnating hides and similar products
05/13/1992EP0484740A1 Roller dyeing machine for surface impregnating hides and similar products
03/1992
03/26/1992DE4132411A1 Tanning skins and fleeces with thermally balanced liq. recycling - using liq(s). from closed rotating treatment vessel, recycled through flotation systems which separate fats, salts and chromium hydroxide
03/04/1992CN1015687B High efficiency mould resistant
02/1992
02/20/1992DE4120612A1 Device for thermostable treatment of skins and fleeces - includes sealed rotating drum which uses waste salts from chemical works for preservation
10/1991
10/02/1991DE4010820A1 Animal skin cleaning - uses controlled medium jet stream directed at angle at moving material
08/1991
08/28/1991EP0442989A1 Device for the wet-treatment of hides
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