Patents by Inventor Govind Subbanna Wagle

Govind Subbanna Wagle 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).

  • Polyarylate compositions and articles therefrom
    Patent number: 8497343
    Abstract: A polyarylate composition comprising: structural units derived at least one substituted or unsubstituted diacid, at least one aromatic dihydroxy compound, and an unsaturated compound. The composition possesses good optical properties, flow, stability and mechanical property. Also disclosed is a process to prepare these compositions and articles therefrom.
    Type: Grant
    Filed: April 6, 2005
    Date of Patent: July 30, 2013
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Abbas Alli Ghudubhai Shaikh, Govind Subbanna Wagle, Ramesh Rajeswaran, Ganesh Kannan, Kyle Patrick Starkey, Michael Stephen Donovan
  • POLYESTER COMPOSITIONS HAVING IMPROVED HEAT RESISTANCE
    Publication number: 20080242784
    Abstract: A composition of matter comprising a polyester composition derived from: (i) greater than 80 mole percent of a diol derived from a disubstituted xylene glycol of the formula (I): wherein R1 and R2 are independently selected from the group consisting of aliphatic, aromatic, cycloaliphatic, sulfur containing compounds, amines and halogen; and (ii) a diacid is disclosed. Also disclosed are blends of these polyesters with polycarbonate and process to prepare these compositions and articles therefrom.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Inventors: Balakrishnan Ganesan, Subodh Kumar Pal, Deepak Ramaraju, Gomatam Raghavan Ravi, Abbas Alli Ghudubhai Shaikh, Govind Subbanna Wagle
  • POLYESTER COMPOSITIONS HAVING IMPROVED HEAT RESISTANCE
    Publication number: 20080242783
    Abstract: A composition of matter comprising a polyester composition derived from: (i) 20 to 80 mole percent of a first diol derived from a disubstituted xylene glycol of the formula (I): wherein R1 and R2 are independently selected from the group consisting of aliphatic radical, aromatic radical, cycloaliphatic, radical and halogen; and (ii) a second diol and (iii) a diacid is disclosed. Also disclosed are blends of these polyesters with polycarbonate and process to prepare these compositions and articles therefrom.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Inventors: Balakrishnan Ganesan, Subodh Kumar Pal, Deepak Ramaraju, Gomatam Raghavan Ravi, Abbas Alli Ghudabhai Shaikh, Govind Subbanna Wagle
  • COMPOSITION AND METHOD FOR ENHANCEMENT OF ACID VALUE OF POLYESTERS
    Publication number: 20080125567
    Abstract: A composition of matter comprising an acid terminated polyester composition containing: (a) a polyester derived from at least one diol selected from the group consisting of ethylene glycol; propylene glycol, butanediol, xylene glycol, and a first diacid component; and (b) a second diacid component; and wherein the composition contains a residual of the second diacid component that is at least less than about 1000 parts per million is disclosed. Also disclosed is a process to prepare these compositions and articles therefrom.
    Type: Application
    Filed: November 28, 2006
    Publication date: May 29, 2008
    Inventors: Deepak Ramaraju, Gomatam Raghavan Ravi, Gaurav Mediratta, Govind Subbanna Wagle
  • POLYESTER COMPOSITIONS WITH LOW GEL CONTENT AND METHOD OF MAKING THEM
    Publication number: 20080125518
    Abstract: A polyester resin composition comprising structural units derived from (i) a polyester having end groups and at least about 20 percent of acid end groups relative to a total number of the end groups;” and (ii) at least one bis epoxy compound having two epoxy groups, and wherein the bis epoxy compound does not have an ester or carbonate groups; and, wherein the polyester has a gel content in a range from about 0 to about 10 percent is disclosed. Also disclosed is a process to prepare these compositions and articles therefrom.
    Type: Application
    Filed: November 28, 2006
    Publication date: May 29, 2008
    Inventors: Gaurav Mediratta, Govind Subbanna Wagle