Patents for C08C 1 - Treatment of rubber latex (1,340)
05/1997
05/14/1997EP0773230A1 Production process of depolymerized natural rubber
04/1997
04/22/1997US5622998 Dissolving in solvent; catalytic air oxidation
03/1997
03/11/1997US5610212 Adding alkylbenzenesulfonate and polyoxyalkylene alkyl sulfuric acid ester salt; antiallergens
03/06/1997WO1997008228A1 Improved methods for reducing allergenicity of natural rubber latex articles
02/1997
02/04/1997US5599861 Moulded, non-caking masticating agents
01/1997
01/23/1997WO1997002295A1 Process for flocculating diene polymer rubber latex to increase polymer particle size, graft polymer, and thermoplastic resin composition
01/16/1997WO1997001581A1 Removal of protein from natural rubber latex articles
12/1996
12/17/1996US5585459 Process for producing raw rubber
12/03/1996US5580942 Homogenizing plants in water containing buffer, an antioxidant and binder; filtration and separation
11/1996
11/14/1996DE19517696A1 Removing residual monomers from butadiene]-styrene] copolymer latex
11/07/1996DE19516362A1 Monomer removal from butadiene-styrene copolymer synthesis latex
10/1996
10/29/1996US5569740 Deproteinized natural rubber latex and its production process
10/23/1996EP0516728B1 Ozonolysis of hydrogenated latices
10/08/1996US5563241 Methods to remove proteins from natural rubber latex
09/1996
09/24/1996US5559178 Process for manufacturing friable rubber bales
09/19/1996WO1996028500A1 Process for preparing deproteinized natural rubber latex molding and deproteinizing agent for natural rubber latex
08/1996
08/22/1996DE19505354A1 Diene] rubber modification to increase reinforcing action of filler
06/1996
06/27/1996WO1996019531A1 Latex compositions and films produced therefrom
06/27/1996CA2202900A1 Latex compositions and films produced therefrom
06/19/1996CN1124970A Compatibilized elastomer blends containing grafted polymers of an isoolefin and alkylstyrene
06/12/1996CN1124252A Concentrating method for styrene butadiene rubber latex
06/06/1996WO1996017010A1 Thermoplastic moulding material which is modified to give it impact-resistance and improved heat-ageing resistance, and a process for manufacturing such a material
06/05/1996DE4442881A1 Schlagzäh modifizierte thermoplastische Formmasse mit verbesserter Wärmealterungsbeständigkeit und Verfahren zu ihrer Herstellung Impact-modified thermoplastic molding composition having improved heat aging resistance and process for their preparation
05/1996
05/14/1996US5516818 Separation of particles after emulsion or suspension polymerization using solvents for stripping
04/1996
04/23/1996US5510399 Aqueous, high-solids synthetic rubber emulsion and its preparation
04/03/1996EP0704457A1 Allergenic proteins of natural rubber latex, their production and use in assays
04/02/1996US5504135 Nontoxic mixture containing aromatic and aliphatic hydrocarbons and having controlled kinematic viscosity
03/1996
03/27/1996CA2134839A1 Method for removing volatile organic compounds from latices
03/20/1996EP0702029A1 Depolymerized natural rubber and process for preparation thereof
02/1996
02/07/1996EP0695327A1 Compatibilized elastomer blends containing grafted polymers of an isoolefin and alkylstyrene
02/07/1996CN1116211A Agglomerating agent latex with bound poly(ethylene oxide)
12/1995
12/20/1995EP0687707A1 Preformed, non-agglomerating masticating agent
12/20/1995EP0687689A1 Agglomerating agent latex with bound poly(ethylene oxide)
11/1995
11/28/1995US5470895 Agglomerating agent latex with bound poly(ethylene oxide)
11/21/1995US5468788 Agglomeration of latices by organic acid - anhydride mixtures
10/1995
10/27/1995WO1994024208A1 Compatibilized elastomer blends containing grafted polymers of an isoolefin and alkylstyrene
10/27/1995CA2160885A1 Compatibilized elastomer blends containing grafted polymers of an isoolefin and alkylstyrene
09/1995
09/07/1995DE4406584A1 Preventing the risk of allergic reactions
09/06/1995EP0575400B1 Rubber processing oil and rubber products containing it
07/1995
07/05/1995EP0661296A1 Aqueous, highly concentrated dispersion of synthetic rubber and its preparation
05/1995
05/11/1995DE4439919A1 Verfahren zur Konservierung und Verbesserung der Stabilisierung von Latex A method for preserving and improving the stabilization of latex
05/10/1995CA2135367A1 Preservation and enhanced stabilisation of latex
03/1995
03/01/1995EP0640623A2 Manufacture of rubber articles
02/1995
02/14/1995CA2058210C Method of forming a membrane, especially a latex membrane, having a biocide barrier
01/1995
01/25/1995EP0471766B1 A process for minimizing residual free hydrazine in polymer latices
12/1994
12/28/1994EP0630907A1 Means for stabilizing deproteinized natural rubber latex
12/14/1994CN1096302A Process for producing raw rubber
12/14/1994CN1096301A Means for stabilizing deproteinized natural rubber latex
11/1994
11/17/1994EP0624601A1 Process for producing raw rubber
11/17/1994EP0624600A1 Agglomeration of latices by organic acid - anhydride mixtures
08/1994
08/09/1994US5336720 High impact strength graft polymer from rubber latex and polymeric additive
05/1994
05/11/1994CN1086520A Deproteinized natural rubber and process for producing the same
04/1994
04/12/1994US5302696 Using a scavenger
03/1994
03/15/1994US5294659 Method for preparing emulsion polymerized polybutadiene of increased particle size
03/02/1994EP0584597A1 Deproteinized natural rubber and process for producing the same
12/1993
12/29/1993EP0575400A1 Rubber processing oil and rubber products containing it.
11/1993
11/16/1993US5262455 Process for agglomerating a latex, agglomerated latex obtained and its application of the modification of thermoplastic matrices to make them impact-resistant
10/1993
10/13/1993CN1022381C Drying equipment for sticky material
09/1993
09/14/1993US5244940 Process for agglomerating a latex, agglomerated latex obtained and its application to the modification of thermoplastic matrices to make them impact-resistant
09/07/1993US5242596 Process for concentrating latex dispersions
09/01/1993EP0557625A1 Method of making latex articles
03/1993
03/16/1993CA1314651C Process for coagulating polymer latex
02/1993
02/17/1993EP0527386A1 Process for concentrating latex dispersions
12/1992
12/15/1992US5171833 Contacting with peroxide and metal salt initiator, then with scavenger
12/09/1992EP0517539A1 Impact resistant polymers
12/06/1992CA2070060A1 Impact resistant polymers
11/1992
11/04/1992EP0471766A4 A process for minimizing residual free hydrazine in polymer latices
10/1992
10/07/1992CN1065075A Low-formaldehyde, self-crosslinking polymer latex composition
09/1992
09/03/1992WO1992014779A1 Rubber processing oil and rubber products containing it
09/01/1992US5143954 Low-formaldehyde, self-crosslinking polymer latex composition
06/1992
06/03/1992EP0488605A2 Low-formaldehyde self-crosslinking polymer latex composition
05/1992
05/28/1992CA2055937A1 Low-formaldehyde, self-crosslinking polymer latex composition
03/1992
03/24/1992US5098635 Process for manufacturing friable rubber bales
02/1992
02/26/1992EP0471766A1 A process for minimizing residual free hydrazine in polymer latices.
01/1992
01/28/1992CA1295066C Latex agglomeration process, latex thus produced and its use for modifying thermoplastic matrix to render same impact resistant
11/1991
11/26/1991US5068313 Process for minimizing residual free hydrazine in polymer latices
10/1991
10/16/1991EP0451998A2 Process for stabilizing chloroprene copolymer latex
10/02/1991CN1054985A Comprehensive extraction of gutta-percha
09/1991
09/05/1991WO1991013117A1 Ozonolysis of hydrogenated latices
08/1991
08/21/1991EP0442679A1 Purification of latex
08/20/1991US5041689 Method of recovering L-quebrachitol from rubber latex serums
08/17/1991CA2035604A1 Purification of latex
08/13/1991US5039737 Reducing concentration of residual hydrazine to obtain soluble elastomers
07/1991
07/02/1991US5028349 Moulding compositions having uniform particle size and improved thermal stability
06/1991
06/26/1991EP0433710A2 Method for preparing emulsion polymerized polybutadiene of increased particle size
06/22/1991CA2030615A1 Method for preparing emulsion polymerized polybutadiene of increased particle size
05/1991
05/22/1991CN1051575A Process and composition for manufacturing friable rubber bales
05/15/1991EP0427339A2 Process and composition for manufacturing friable rubber bales
05/15/1991CN1051364A Process for removing chloroprene dimers from polychloroprene
05/08/1991EP0426023A1 Process for removing chloroprene dimers from polychloroprene
03/1991
03/12/1991CA1281473C Particulate polymer and preparation process thereof
03/06/1991CN1011861B Particulate nonrubber materials derivatives from serums resulting from treatment of natural rubber latexes and method of their prodn.
01/1991
01/22/1991US4987196 Process for acceleratively vulcanizing rubbers with protein serum
12/1990
12/11/1990US4977241 Agglomeration of particles contained in latex
11/1990
11/21/1990CN1047092A Process for agglomerating latex and its application to modification of thermoplastic matrix
11/15/1990WO1990013578A1 A process for minimizing residual free hydrazine in polymer latices
11/14/1990CN1010410B Process for agglomerating latex and its application to modificaiton of thermoplastic matrix
10/1990
10/24/1990EP0192152B1 Mouldings with a uniform particle size and thermal stability
10/23/1990US4965315 Aromatic vinyl monomer and vinyl cyanide monomer, diene rubber latex
10/02/1990US4960864 Washing in the presence of a tricarboxylic acid
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