Patents by Inventor Tilak T. Raj

Tilak T. Raj 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).

  • PROCESS FOR THE PREPARATION OF SUBSTITUTED PYRIDONE CARBOXYLIC ACIDS
    Publication number: 20100076199
    Abstract: The present invention relates to methods for the preparation of pyridone carboxylic acids for use as intermediates in the preparation of various synthetic organic compounds. The pyridone carboxylic acids can for example be used as intermediates in the production of potent antitumor agents, antifungal agents, antiviral agents, psychotherapeutic agents or contrast imaging agents for MRI.
    Type: Application
    Filed: September 17, 2009
    Publication date: March 25, 2010
    Applicant: GE HEALTHCARE AS
    Inventors: VIJAYA RAJ KUNIYIL KULANGARA, TILAK T. RAJ
  • Silylated polycarbonate polymers, method of making, and articles
    Publication number: 20090326181
    Abstract: A polycarbonate polymer or copolymer comprising pendant silylated dihydroxy aromatic compound of the formula (1a); wherein Ga and Gb are each independently C1-12 alkyl, —OSi(C1-12 alkyl)3, C1-12 arylalkyl, or —OSi(C1-12 arylalkyl)3; Za and Zb are each independently a straight or branched C2-18 is alkylene, a C8-18 arylalkylene, or a C8-18 alkylarylene, Xa is a direct bond, a heteroatom-containing group, or a C1-18 organic group, and r and s are each independently 1 or 2 is disclosed.
    Type: Application
    Filed: September 8, 2009
    Publication date: December 31, 2009
    Applicant: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Jan Pleun LENS, Tilak T. RAJ, Binod Behari SAHOO, Arakali Sreenivasarao Radhakrishna
  • Silylated polycarbonate polymers, method of making, and articles
    Publication number: 20080306294
    Abstract: A silylated dihydroxy aromatic compound of the formula (1a); wherein Ga and Gb are each independently C1-12 alkyl, —OSi(C1-12 alkyl)3, C1-12 arylalkyl, or —OSi(C1-12 arylalkyl)3; Za and Zb are each independently a straight or branched C2-18 alkylene, a C8-18 arylalkylene, or a C8-18 alkylarylene, Xa is a direct bond, a heteroatom-containing group, or a C1-18 organic group, and r and s are each independently 1 or 2 is disclosed.
    Type: Application
    Filed: December 21, 2007
    Publication date: December 11, 2008
    Applicant: MOMENTIVE PERFORMANCE MATERIALS INC.
    Inventors: Jan Pleun Lens, Tilak T. Raj, Binod Behari Sahoo, Arakali Sreenivasarao Radhakrishna
  • Polymer compositions containing stabilizer compounds comprising tricyclodecylmethyl groups
    Patent number: 7186853
    Abstract: The invention relates to phosphites comprising substituted or unsubstituted tricyclodecylmethyl groups. The phosphites may also contain substituted and unsubstituted alcohols having about C6–C18 carbon atoms. The alcohol chain may be aliphatic, arylakyl and alkylaryl groups. The method of making of the phosphite composition is also described.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: March 6, 2007
    Assignee: Crompton Corporation
    Inventors: William Palmer Enlow, Marshall D. Moore, Vaikunth Sitaram Prabhu, Tilak T. Raj, Arakali S. Radhakrishna, Timmanna Upadhya, Surendra U. Kulkarni
  • Polymer compositions containing benzimidazole based stabilizer compounds
    Patent number: 6919389
    Abstract: The invention discloses a stabilized resin composition comprising a thermoplastic resin and a stabilizing benzimidazole based additive compound. In a second embodiment, the invention discloses a method to make a stabilized composition comprising a benzimidazole based stabilizing compound and a resin, said method comprising mixing said benzimidazole based stabilizing compound with said resin.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: July 19, 2005
    Assignee: Crompton Corporation
    Inventors: William Palmer Enlow, Marshall D. Moore, Vaikunth Sitaram Prabhu, Tilak T. Raj, Arakali Srinivasarao Radhakrishna, Raju Kharatkar
  • Polymer compositions containing stabilizer compounds comprising tricyclodecylmethyl groups
    Publication number: 20040249030
    Abstract: The invention relates to phosphites comprising substituted or unsubstituted tricyclodecylmethyl groups. The phosphites may also contain substituted and unsubstituted alcohols having about C6-C18 carbon atoms. The alcohol chain may be aliphatic, arylakyl and alkylaryl groups. The method of making of the phosphite composition is also described.
    Type: Application
    Filed: June 5, 2003
    Publication date: December 9, 2004
    Inventors: William Palmer Enlow, Marshall D. Moore, Vaikunth Sitaram Prabhu, Tilak T. Raj, A. S. Radhakrishna, Timmanna Upadhya, Surendra U. Kulkarni
  • Polymer compositions containing benzimidazole based stabilizer compounds
    Publication number: 20040180995
    Abstract: The invention discloses a stabilised resin composition comprising a thermoplastic resin and a stabilizing benzimidazole based additive compound. In a second embodiment, the invention discloses a method to make a stabilized composition comprising a benzimidazole based stabilising compound and a resin, said method comprising mixing said benzimidazole based stabilising compound with said resin.
    Type: Application
    Filed: March 13, 2003
    Publication date: September 16, 2004
    Inventors: William Palmer Enlow, Marshall D. Moore, Vaikunth Sitaram Prabhu, Tilak T. Raj, A. S. Radhakrishna, Raju Kharatkar