C14C 1 - Treating skins or hides with chemicals, enzymes or micro-organisms prior to tanning

Patents for C14C 1 - Treating skins or hides with chemicals, enzymes or micro-organisms prior to tanning (1,091)
07/1997
07/15/1997	US5647997 Waste water treatment with peracid compositions
06/1997
06/18/1997	EP0778900A1 Pickling of hides and skins
06/18/1997	CN1035195C Enzymy compounded assistant for soaking in lime
06/11/1997	EP0615550B1 Process for the treatment of skins, leathers or collagen-containing sheet materials using a pressurized dense fluid
04/1997
04/16/1997	EP0682676B1 Biodegradable copolymers, method of producing them and their use
01/1997
01/08/1997	EP0728219A4 Wet treatment of leather hides
11/1996
11/28/1996	DE19519436A1 Enzymatic depilation of hides and pelts
11/27/1996	CN1136593A Cattlehide white wet pelt splitting leather-making technology
11/06/1996	EP0740705A1 THERMOSTABLE VARIANTS OF NEUTRAL PROTEASES OF $i(BACILLUS STEAROTHERMOPHILUS) AND $i(BACILLUS THERMOPROTEOLYTICUS)
11/05/1996	US5571443 Synergistic combination of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides
10/1996
10/22/1996	US5567205 Using alkylpolyglycosides; nontoxic
10/17/1996	DE19513989A1 Hygroscopic titanium salt used for treating leather or pigments, esp. titania
09/1996
09/12/1996	WO1996027682A1 Process for preparing animal hides or pelts
09/12/1996	DE19507572A1 Verfahren zur Zurichtung von tierischen Häuten oder Fellen A process for finishing animal hides and skins
09/04/1996	EP0630415B1 Degreasing agents
08/1996
08/28/1996	EP0728844A1 Multifunctional leather processing compositions
08/28/1996	EP0728219A1 Wet treatment of leather hides
07/1996
07/11/1996	WO1996020602A1 Synergistic combinations of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides
07/11/1996	CA2208476A1 Synergistic combinations of 2-(thiocyanomethylthio)benzothiazole and thiophanate compounds useful as fungicides
06/1996
06/27/1996	WO1996019590A1 Method for dehairing of hides or skins by means of enzymes
06/19/1996	EP0717114A2 Aqueous composition for pretanning hides or retanning of leather
06/11/1996	US5525509 Adding a 1,3-specific recombinant alkaline lipase to aqueous float
06/11/1996	US5525120 Degreasing process
06/06/1996	WO1996017088A1 Enzymatic degreasing of skins and hides
06/05/1996	CN1123839A Enzymy compounded assistant for soaking in lime
06/05/1996	CN1123745A Leather carved art
04/1996
04/30/1996	US5512058 Process for the treatment of skins, hides or shett materials containing collagen by a dense, pressurized fluid
04/18/1996	WO1996011285A1 A method for processing of hides or skins into leather, comprising enzymatic treatment of the hide or skin with a trypsin acting microbial protease
04/16/1996	US5508195 Treating in alkaline float with thiourea dioxide, protease and elastase; sulfide-free
04/02/1996	US5503754 Wet treatment of leather hides
03/1996
03/26/1996	US5501709 Economy and plumping chrome tanning
03/07/1996	WO1996006953A1 Pickling of hides and skins
01/1996
01/02/1996	US5480456 Silica sols for obtaining a hide which is called a stabilized pickled or white or stabilized white
12/1995
12/05/1995	US5472619 Flocculation and separation of fats from water using mixture of acetic acid, peracetic acid, hydrogen peroxide, phosphoric acid to oxidize impurities
11/1995
11/22/1995	EP0682676A1 Biodegradable copolymers, method of producing them and their use.
11/22/1995	EP0559867B1 Use of phosphonium compounds in the production of leather
11/22/1995	CN1112162A Method for processing domestic fowls' skin with feather
11/08/1995	EP0681030A2 Use of phosphonium compounds in the production of leather
09/1995
09/27/1995	CN1109101A Process for tie-dyeing pig leather with sheep leather appearance
09/21/1995	WO1995020663A3 THERMOSTABLE VARIANTS OF NEUTRAL PROTEASES OF BACILLUS STEAROTHERMOPHILUS AND $i(BACILLUS THERMOPROTEOLYTICUS)
08/1995
08/09/1995	CN1106463A Process and installation for leather continous soaking up water in liquid
08/03/1995	WO1995020663A2 THERMOSTABLE VARIANTS OF NEUTRAL PROTEASES OF BACILLUS STEAROTHERMOPHILUS AND $i(BACILLUS THERMOPROTEOLYTICUS)
08/03/1995	CA2182214A1 Thermostable variants of neutral proteases of bacillus stearothermophilus and bacillus thermoproteolyticus
07/1995
07/25/1995	US5435808 Bactericidal solution, organic acid, peracid, hydrogen peroxide, phosphoric acid
07/19/1995	CN1105390A Forced treating method for buttocks part of pighide
07/05/1995	EP0660879A1 Method for dehairing of hides or skins
06/1995
06/27/1995	US5427594 Process for pickling raw hides
05/1995
05/18/1995	WO1995013400A1 Wet treatment of leather hides
04/1995
04/19/1995	EP0648263A1 Lipases from hyphozyma
03/1995
03/30/1995	DE4332785A1 Verbessertes enzymunterstütztes Äscherverfahren Improved enzyme-assisted liming
03/01/1995	EP0563139B1 Method for processing hides or leather based on methanesulphonate ions.
01/1995
01/04/1995	EP0632135A1 Process and agent for the protection of non-tanned animal skins
12/1994
12/28/1994	EP0630415A1 Degreasing agents.
12/27/1994	US5376142 Including a hydroxyalkylphosphonium compound as shrinkage inhibitor
12/27/1994	US5376042 Process for the depilation of animal skins
11/1994
11/24/1994	WO1994023072A3 Degreasing agent
11/17/1994	EP0624654A2 Process for producing leather
11/10/1994	WO1994025629A1 White wooled sheepskin
11/01/1994	US5360453 Process for pickling and pretanning raw hides
10/1994
10/13/1994	WO1994023072A2 Degreasing agent
10/05/1994	CN1093111A Processing technology for soft yak leather
09/1994
09/21/1994	EP0615550A1 Process for the treatment of skins, leathers or collagen-containing sheet materials using a pressurized dense fluid.
08/1994
08/31/1994	EP0264398B1 Process for the treatment of wool skins
08/23/1994	US5340365 Deliming, washing, pickling hide with aqueous formaldehyde-sulfonated aromatic compound condensate, dewatering, tanning
08/17/1994	CN1090883A Biodegradable copolymers a process for the production and the use thereof
07/1994
07/28/1994	DE4301553A1 Degreasing agent for skins and leather
07/21/1994	WO1994015978A1 Biodegradable copolymers, method of producing them and their use
07/21/1994	CA2153660A1 Biodegradable copolymers, method of producing them and their use
07/20/1994	EP0606290A1 Antimicrobial-agent mixtures
07/05/1994	US5326377 Method of treating hides
06/1994
06/15/1994	CN1087949A Leather making technique of China modified sheep pelt
05/1994
05/11/1994	WO1994010345A1 Skin treatment
04/1994
04/14/1994	WO1994008054A1 Process for the treatment of skins, leathers or collagen-containing sheet materials using a pressurized dense fluid
04/14/1994	CA2124354A1 Process for the treatment of skins, leathers or collagen-containing sheet materials using a pressurised dense fluid
04/05/1994	US5300121 Pickling and tanning while holding agent is present, scouring holding agent; reduced felting
03/1994
03/31/1994	WO1994006942A1 Method for dehairing of hides or skins
03/09/1994	CN1083533A Special efficacy strengthening binding agent for leather and its preparation method
02/1994
02/23/1994	EP0583697A2 Tanning process saving chrome and improved fixing of chrome
02/23/1994	CN1082613A Chrome saving and chrome rich tanning method
02/02/1994	EP0495873B1 A method of treating hides
12/1993
12/29/1993	EP0575927A2 Process for liming skins and hides
12/09/1993	WO1993024619A1 Lipases from hyphozyma
12/08/1993	EP0573400A1 Treatment method for salt recycling
12/01/1993	CN1079003A Producing method for elastic goat soft leather
11/1993
11/18/1993	DE4215389A1 Use of alkanolamine ester(s) of boric acid - in deliming in leather prodn. reducing evolution of hydrogen sulphide
10/1993
10/21/1993	DE4212568A1 Flesh removal on fresh skins for leather prodn. - comprises applying proteolytic enzyme with strong elastolcytic activity at pH 5-10 and 5-30 deg. C prior to lifting
09/1993
09/16/1993	WO1993018188A1 Degreasing agents
09/16/1993	DE4207806A1 Biodegradable degreasing agent for skins, hides, pelts and leather - contg. major amt. of satd. fatty alcohol ethoxylate(s) and minor amt. of short chain fatty alcohol ethoxylate(s) with low deg. of ethoxylation
09/15/1993	EP0559867A1 Use of phosphonium compounds in the production of leather.
08/1993
08/11/1993	EP0554390A1 Method for de-hairing animals
08/05/1993	WO1993006249A3 Use of phosphonium compounds in the production of leather
08/04/1993	EP0554218A1 Process for pickling hides
08/04/1993	EP0554216A1 Process for pickling and pretanning of hides
07/1993
07/21/1993	EP0551785A1 Application of silica sols for obtaining a skin called "blanc picklé stabilisé" or "blanc stabilisé"
07/15/1993	CA2087228A1 Application of silica soils in the production of a stabilized white pickled skin or stabilized white skin
06/1993
06/01/1993	US5215542 Pretreatment with silica sol
05/1993
05/19/1993	CN1020753C Technique for making fur coat with goose down
05/12/1993	CN1071956A Use of phosphonium compounds in production of leather
04/1993
04/15/1993	WO1993006729A1 Antimicrobial-agent mixtures
04/08/1993	DE4132772A1 Antimikrobielle wirkstoffgemische Antimicrobial drug mixtures

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