Patents by Inventor Robert Marjo Theodoor Rasing

Robert Marjo Theodoor Rasing 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).

  • Nitrogen-containing heterocyclic epoxy curing agents, compositions and methods
    Patent number: 10556985
    Abstract: Amine-epoxy curing agents are disclosed including at least one saturated heterocyclic compound having two nitrogen heteroatoms according to formula (I) and at least one saturated fused bicyclic heterocyclic compound having three nitrogen heteroatoms according to formula (II): wherein X is independently selected from a hydrogen atom, a linear or branched C1 to C4 alkyl group and a substituted or un-substituted phenyl group, Y1 is a direct bond or a divalent polyethylene polyamine group having 1 to 8 nitrogen atoms or a divalent polyethylene polyamine derivative having 1 to 8 nitrogen atoms, Y2 is a direct bond or a divalent polyethylene polyamine group having 1 to 7 nitrogen atoms and R is independently a hydrogen atom or a group selected from C1-C8 linear, cyclic, and branched alkyl, alkenyl, and alkaryl groups.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: February 11, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Shiying Zheng, Sudhir Ananthachar, Shafiq Nisarali Fazel, Michael Ian Cook, Robert Marjo Theodoor Rasing, Wei Cao, Edze Jan Tijsma
  • NITROGEN-CONTAINING HETEROCYCLIC EPOXY CURING AGENTS, COMPOSITIONS AND METHODS
    Publication number: 20170137562
    Abstract: Amine-epoxy curing agents are disclosed including at least one saturated heterocyclic compound having two nitrogen heteroatoms according to formula (I) and at least one saturated fused bicyclic heterocyclic compound having three nitrogen heteroatoms according to formula (II): wherein X is independently selected from a hydrogen atom, a linear or branched C1 to C4 alkyl group and a substituted or un-substituted phenyl group, Y1 is a direct bond or a divalent polyethylene polyamine group having 1 to 8 nitrogen atoms or a divalent polyethylene polyamine derivative having 1 to 8 nitrogen atoms, Y2 is a direct bond or a divalent polyethylene polyamine group having 1 to 7 nitrogen atoms and R is independently a hydrogen atom or a group selected from C1-C8 linear, cyclic, and branched alkyl, alkenyl, and alkaryl groups.
    Type: Application
    Filed: November 4, 2016
    Publication date: May 18, 2017
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Shiying Zheng, Sudhir Ananthachar, Shafiq Nisarali Fazel, Michael Ian Cook, Robert Marjo Theodoor Rasing, Wei Cao, Edze Jan Tijsma
  • Curing agent for low temperature cure applications
    Patent number: 9334409
    Abstract: The present invention provides Mannich base derivatives of N,N?-dimethyl secondary diamine polymers including Mannich base derivatives of methylamine-terminated poly-(N-methylazetidine) and Mannich base derivatives of methylamine-terminated poly-(N-methylazacycloheptane). Amine curing agent compositions and amine-epoxy compositions containing Mannich base derivatives of N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 10, 2016
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing
  • Curing Agent for Low Temperature Cure Applications
    Publication number: 20140256853
    Abstract: The present invention provides Mannich base derivatives of N,N?-dimethyl secondary diamine polymers including Mannich base derivatives of methylamine-terminated poly-(N-methylazetidine) and Mannich base derivatives of methylamine-terminated poly-(N-methylazacycloheptane). Amine curing agent compositions and amine-epoxy compositions containing Mannich base derivatives of N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Application
    Filed: April 30, 2014
    Publication date: September 11, 2014
    Applicant: AIR PRODUCTS AND CHEMICALS, INC.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing
  • Curing agent for low temperature cure applications
    Patent number: 8735512
    Abstract: The present invention provides Mannich base derivatives of N,N?-dimethyl secondary diamine polymers including Mannich base derivatives of methylamine-terminated poly-(N-methylazetidine) and Mannich base derivatives of methylamine-terminated poly-(N-methylazacycloheptane). Amine curing agent compositions and amine-epoxy compositions containing Mannich base derivatives of N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: May 27, 2014
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing
  • N,N?-dimethyl secondary diamine polymer as epoxy resin curing agent
    Patent number: 8536284
    Abstract: The present invention provides N,N?-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: September 17, 2013
    Assignee: Air Products & Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing, Vipul P. Dholakia
  • Curing agent of N,N?-dimethyl-meta-xylylenediamine and multifunctional amin(s)
    Patent number: 8512594
    Abstract: The present invention discloses both amine compositions and amine-epoxy compositions containing N,N?-dimethyl-meta-xylylenediamine. A novel process for producing amines such as N,N?-dimethyl-meta-xylylenediamine, and structurally similar amines, is also disclosed.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: August 20, 2013
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Robert Marjo Theodoor Rasing, Gamini Ananda Vedage, Michael Ian Cook, Peter Andrew Lucas
  • Benzylated aminopropylated alkylenediamines and uses thereof
    Patent number: 8318309
    Abstract: The present invention provides epoxy curing agent compositions comprising benzylated aminopropylated alkylenediamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: November 27, 2012
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Michael Ian Cook, Robert Marjo Theodoor Rasing, Ellen Margaret O'Connell, Maw Lin Foo
  • Benzylated polyalkylene polyamines and uses thereof
    Patent number: 8168296
    Abstract: The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: May 1, 2012
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Michael Ian Cook, Robert Marjo Theodoor Rasing
  • Benzylated polyalkylene polyamines and uses thereof
    Patent number: 8147964
    Abstract: The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: April 3, 2012
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Michael Ian Cook, Robert Marjo Theodoor Rasing
  • Curing Agent For Low Temperature Cure Applications
    Publication number: 20100119838
    Abstract: The present invention provides N,N?-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Application
    Filed: January 19, 2010
    Publication date: May 13, 2010
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing, Vipul P. Dholakia
  • CURING AGENT FOR LOW TEMPERATURE CURE APPLICATIONS
    Publication number: 20100048827
    Abstract: The present invention discloses both amine compositions and amine-epoxy compositions containing N,N?-dimethyl-meta-xylylenediamine. A novel process for producing amines such as N,N?-dimethyl-meta-xylylenediamine, and structurally similar amines, is also disclosed.
    Type: Application
    Filed: August 25, 2008
    Publication date: February 25, 2010
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Robert Marjo Theodoor Rasing, Gamini Ananda Vedage, Michael Ian Cook, Peter Andrew Lucas
  • Epoxy resin amine curing agent of N,N?-dimethyl secondary diamine polymer
    Patent number: 7666954
    Abstract: The present invention provides N,N?-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: February 23, 2010
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing, Vipul P. Dholakia
  • Curing Agent For Low Temperature Cure Applications
    Publication number: 20090259003
    Abstract: The present invention provides Mannich base derivatives of N,N?-dimethyl secondary diamine polymers including Mannich base derivatives of methylamine-terminated poly-(N-methylazetidine) and Mannich base derivatives of methylamine-terminated poly-(N-methylazacycloheptane). Amine curing agent compositions and amine-epoxy compositions containing Mannich base derivatives of N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Application
    Filed: April 9, 2008
    Publication date: October 15, 2009
    Applicant: AIR PRODUCTS AND CHEMICALS, INC.
    Inventors: Frederick Herbert Walker, Michael Ian Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing
  • Benzylated Polyalkylene Polyamines And Uses Thereof
    Publication number: 20090163676
    Abstract: The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Application
    Filed: February 11, 2009
    Publication date: June 25, 2009
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Michael Ian Cook, Robert Marjo Theodoor Rasing
  • Benzylated Aminopropylated Ethylenediamines And Uses Thereof
    Publication number: 20090030125
    Abstract: The present invention provides epoxy curing agent compositions comprising benzylated aminopropylated alkylenediamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Application
    Filed: August 6, 2008
    Publication date: January 29, 2009
    Applicant: Air Products and Chemicals, Inc.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Michael Ian Cook, Robert Marjo Theodoor Rasing, Ellen Margaret O'Connell, Maw Lin Foo
  • Benzylated Polyalkylene Polyamines And Uses Thereof
    Publication number: 20090023846
    Abstract: The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed.
    Type: Application
    Filed: August 6, 2008
    Publication date: January 22, 2009
    Applicant: AIR PRODUCTS AND CHEMICALS, INC.
    Inventors: Gamini Ananda Vedage, Williams Rene Edouard Raymond, Michael Ian Cook, Robert Marjo Theodoor Rasing
  • Curing agent for low temperature cure applications
    Publication number: 20080194776
    Abstract: The present invention provides N,N?-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N?-dimethyl secondary diamine polymers are also disclosed.
    Type: Application
    Filed: October 20, 2006
    Publication date: August 14, 2008
    Inventors: Frederick Herbert Walker, Michael lan Cook, Gamini Ananda Vedage, Robert Marjo Theodoor Rasing, Vipul P. Dholakia