Patents by Inventor Gerrit Knobloch

Gerrit Knobloch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20170096544
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, b) a compound of the formula (I) wherein R1 is C8-C12alkyl, R2 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R3 is C1-C12alkyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R4 is hydrogen or methyl, and c) a styrenated diphenylamine of the formula (II).
    Type: Application
    Filed: December 15, 2016
    Publication date: April 6, 2017
    Applicant: BASF SE
    Inventors: Gerrit KNOBLOCH, Pierre ROTA-GRAZIOSI
  • Patent number: 9562148
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, b) a compound of the formula (I) wherein R1 is C8-C12alkyl, R2 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R3 is C1-C12alkyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R4 is hydrogen or methyl, and c) a styrenated diphenylamine of the formula (II).
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: February 7, 2017
    Assignee: BASF SE
    Inventors: Gerrit Knobloch, Pierre Rota-Graziosi
  • Patent number: 9309379
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, b) a compound of the formula (I) wherein R1 is C8-C12alkyl, R2 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R3 is C1-C12alkyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R4 is hydrogen or methyl, and c) a styrenated diphenylamine of the formula (II).
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: April 12, 2016
    Assignee: BASF SE
    Inventors: Gerrit Knobloch, Pierre Rota-Graziosi
  • Publication number: 20160046789
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, b) a compound of the formula (I) wherein R1 is C8-C12alkyl, R2 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R3 is C1-C12alkyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R4 is hydrogen or methyl, and c) a styrenated diphenylamine of the formula (II).
    Type: Application
    Filed: October 27, 2015
    Publication date: February 18, 2016
    Applicant: BASF SE
    Inventors: Gerrit KNOBLOCH, Pierre ROTA-GRAZIOSI
  • Patent number: 8119710
    Abstract: The invention describes a process for the manufacture of a filled rubber compound with improved processability which comprises mixing in one-step a) a rubber, b) a white reinforcing filler, and c) a coupling agent of the Formula (I), wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the Formula (I).
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: February 21, 2012
    Assignee: BASF SE
    Inventors: Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi, Francesco Fuso
  • Patent number: 8101679
    Abstract: The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: January 24, 2012
    Assignee: BASF SE
    Inventors: Gerrit Knobloch, Eva Peregi, Pierre Rota-Graziosi
  • Patent number: 7947831
    Abstract: Polymers grafted with a compound of formula I, wherein the general symbols are as defined within, have outstanding stability against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: May 24, 2011
    Assignee: BASF SE Ludwigshafen
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michèle Gerster
  • Publication number: 20110077333
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, b) a compound of the formula (I) wherein R1 is C8-C12alkyl, R2 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R3 is C1-C12alkyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl or —CH2—S—R1, R4 is hydrogen or methyl, and c) a styrenated diphenylamine of the formula (II).
    Type: Application
    Filed: May 6, 2009
    Publication date: March 31, 2011
    Applicant: BASF SE
    Inventors: Gerrit Knobloch, Pierre Rota-Graziosi
  • Publication number: 20100317778
    Abstract: The invention describes a process for the manufacture of a filled rubber compound with improved processability which comprises mixing in one-step a) a rubber, b) a white reinforcing filler, and c) a coupling agent of the Formula (I), wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the Formula (I).
    Type: Application
    Filed: September 12, 2006
    Publication date: December 16, 2010
    Inventors: Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi, Francesco Fuso
  • Patent number: 7799951
    Abstract: The instant invention discloses a process for preventing contact discoloration of substrates coming into contact with elastomers and stabilizing elastomers to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, which comprises incorporating into the elastomers, or applying to these, at least a compound of the formula (I) wherein R1 is C1-C12alkyl, R2 is C1-C12alkyl, or R1 and R2 together with the carbon atom to which they are attached form an unsubstituted or with C1-C4alkyl substituted C5-C12cycloalkyl ring; R3 is hydrogen or —CH2—S(O)m—R5, R4 and R5 independently of each other are unsubstituted or with cyano substituted C5-C18-alkyl; C7-C9phenylalkyl, unsubstituted or with halogen, hydroxyl, cyano or C1-C4alkyl substituted phenyl or naphthyl; benzothiazolyl or —R6—CO2—R7, R6 is C1-C18alkylene, R7 is C1-C18alkyl, and m is 0, 1 or 2.
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: September 21, 2010
    Assignee: Ciba Corporation
    Inventors: Michèle Gerster, Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi
  • Patent number: 7790897
    Abstract: The invention describes novel compound of the formula I, wherein the general symbols are as defined in claim 1, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: September 7, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch
  • Publication number: 20100130660
    Abstract: The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.
    Type: Application
    Filed: March 10, 2008
    Publication date: May 27, 2010
    Applicant: CIBA CORPORATION
    Inventors: Gerrit Knobloch, Eva Peregi, Pierre Rota-Graziosi
  • Patent number: 7723409
    Abstract: The invention describes a composition comprising a) a naturally occurring or synthetic elastomer susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula (I) wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the formula (I).
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: May 25, 2010
    Assignee: Ciba Specialty Chem. Corp.
    Inventors: Francesco Fuso, Michèle Gerster, Gerrit Knobloch, Pierre Rota-Graziosi
  • Publication number: 20090306256
    Abstract: The instant invention relates to styrene butadiene styrene based pressure sensitive adhesive compositions with improved photo-oxidation resistance containing N-methyl substituted sterically hindered amines as stabilizers. Further aspects of the invention are a process for the stabilization of butadiene based pressure sensitive adhesive compositions and the use of N-methyl substituted sterically hindered amines as stabilizers for styrene butadiene styrene based pressure sensitive adhesives.
    Type: Application
    Filed: May 22, 2006
    Publication date: December 10, 2009
    Inventors: Dietmar Mäder, Gerrit Knobloch
  • Publication number: 20090227730
    Abstract: The instant invention discloses a process for preventing contact discoloration of substrates coming into contact with elastomers and stabilizing elastomers to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, which comprises incorporating into the elastomers, or applying to these, at least a compound of the formula (I) wherein R1 is C1-C12alkyl, R2 is C1-C12alkyl, or R1 and R2 together with the carbon atom to which they are attached form an unsubstituted or with C1-C4alkyl substituted C5-C12cycloalkyl ring; R3 is hydrogen or —CH2—S(O)m—R5, R4 and R5 independently of each other are unsubstituted or with cyano substituted C5-C18-alkyl; C7-C9phenylalkyl, unsubstituted or with halogen, hydroxyl, cyano or C1-C4alkyl substituted phenyl or naphthyl; benzothiazolyl or —R6—CO2—R7, R6 is C1-C18alkylene, R7 is C1-C18alkyl, and m is 0, 1 or 2.
    Type: Application
    Filed: October 2, 2006
    Publication date: September 10, 2009
    Applicant: Ciba Corporation
    Inventors: Michèle Gerster, Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi
  • Publication number: 20090144915
    Abstract: The invention describes novel compound of the formula I, wherein the general symbols are as defined in claim 1, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Application
    Filed: February 5, 2009
    Publication date: June 11, 2009
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch
  • Patent number: 7504510
    Abstract: The invention describes novel compound of the formula (I), wherein the general symbols are as defined in claim 1, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: March 17, 2009
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch
  • Publication number: 20080287578
    Abstract: The invention describes a composition comprising a) a naturally occurring or synthetic elastomer susceptible to oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation, b) a white reinforcing filler, and c) as coupling agent, at least one compound of the formula (I) wherein the general symbols are as defined in claim 1, or an oligomeric hydrolysis product of the compound of the formula (I).
    Type: Application
    Filed: December 6, 2004
    Publication date: November 20, 2008
    Inventors: Francesco Fuso, Michele Gerster, Gerrit Knobloch, Pierre Rota-Graziosi
  • Patent number: 7217841
    Abstract: Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula I [R—S(?O)m—CH2—CH(OH)—CH2]n—N(R1)2-n—R2, ??(I) in which R is C4–C20alkyl, hydroxyl-substituted C4–C20alkyl; phenyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl, cyclohexyl or —(CH2)qCOOR3, and, if m is 0, R may additionally be and, if n is 1 and R4 is hydrogen, R may additionally be R2—R1N—CH2—CH(OH)—CH2—S(?O)m—(CH2)x— or R2—R1N—CH2—CH(OH)—CH2—S(?O)m—CH2—CH2—(O—CH2—CH2)y—, R1 is hydrogen, cyclohexyl or C3–C12alkyl, R2 is R3 is C1-C18alkyl, R4 is hydrogen or —CH2—CH(OH)—CH2—S(?O)m—R, X is C1–C8alkyl, Y is C1–C8alkyl, m is 0 or 1, n is 1 or 2, q is 1 or 2, x is from 2 to 6, and y is 1 or 2. The compounds of the formula I are also suitable as stabilizers for elastomers to prevent contact discoloration of substrates coming into contact with elastomers.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: May 15, 2007
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Samuel Evans
  • Publication number: 20070015870
    Abstract: Polymers grafted with a compound of formula I, wherein the general symbols are as defined in claim 1, have outstanding stability against oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation.
    Type: Application
    Filed: September 19, 2006
    Publication date: January 18, 2007
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Pierre Rota-Graziosi, Samuel Evans, Paul Dubs, Michele Gerster