Patents by Inventor Pierre Rota-Graziosi

Pierre Rota-Graziosi 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: 8415414
    Abstract: The invention relates to a flame retardant composition, which comprises a) At least one ester of a phosphorus containing oxo acid selected from the group consisting of phosphonous and phosphorous acid; b) At least one flame retardant component based on a nitrogen compound; particularly melamine cyanurate, and c) A polyurethane polymer base.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: April 9, 2013
    Assignee: BASF SE
    Inventors: Dietmar Mäder, 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
  • Publication number: 20110230604
    Abstract: The invention relates to a flame retardant composition, which comprises a) At least one ester of a phosphorus containing oxo acid selected from the group consisting of phosphonous and phosphorous acid; b) At least one flame retardant component based on a nitrogen compound; particularly melamine cyanurate, and c) A polyurethane polymer base.
    Type: Application
    Filed: September 6, 2006
    Publication date: September 22, 2011
    Inventors: Dietmar Mäder, Pierre Rota-Graziosi
  • Publication number: 20110130492
    Abstract: The present invention pertains to compositions comprising (a) a polyether polyol, a polyester polyol or a polyurethane, (b) a UV-absorber of formula (I) and/or a hindered amine liaht stabilizer of formula (II) wherein R1 and R2 are each independently C1-C4alkyl or C1-C4alkyoxy, and (c) at least one further UV-absorber and/or hindered amine light stabilizer if only one of the components (I) and (II) is present with the proviso that component (c) is not a compound of formula (A)-(D) as defined in claim 1.
    Type: Application
    Filed: February 10, 2011
    Publication date: June 2, 2011
    Inventors: DIETMAR MÄDER, 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
  • Patent number: 7910642
    Abstract: The present invention pertains to compositions comprising (a) a polyether polyol, a polyester polyol or a polyurethane, (b) a UV-absorber of formula (I) and/or a hindered amine light stabilizer of formula (II) wherein R1 and R2 are each independently C1-C4alkyl or C1-C4alkyoxy, and (c) at least one further UV-absorber and/or hindered amine light stabilizer if only one of the components (I) and (II) is present with the proviso that component (c) is not a compound of formula (A)-(D) as defined in claim 1.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: March 22, 2011
    Assignee: BASF SE
    Inventors: Dietmar Mäder, 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
  • 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: 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: 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
  • Publication number: 20080033080
    Abstract: The present invention pertains to compositions comprising (a) a polyether polyol, a polyester polyol or a polyurethane, (b) a UV-absorber of formula (I) and/or a hindered amine light stabilizer of formula (II) wherein R1 and R2 are each independently C1-C4alkyl or C1-C4alkyoxy, and (c) at least one further UV-absorber and/or hindered amine light stabilizer if only one of the components (I) and (II) is present with the proviso that component (c) is not a compound of formula (A)-(D) as defined in claim 1.
    Type: Application
    Filed: June 20, 2005
    Publication date: February 7, 2008
    Inventors: Dietmar Mader, Pierre Rota-Graziosi
  • 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