Patents by Inventor Satchit Srinivasan

Satchit Srinivasan 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: 20140186624
    Abstract: The invention pertains to novel aromatic ether ketone polymers derived from bio-based feed-stocks, comprising recurring units of formula (Rb): wherein: —E is selected from the group consisting of: —each of R, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; —j is zero or is an integer from 1 to 4, to a process for their manufacture and to the use of the same for manufacturing shaped articles.
    Type: Application
    Filed: August 9, 2012
    Publication date: July 3, 2014
    Applicant: SOLVAY SPECIALITY POLYMERS USA, LLC
    Inventors: Suresh R. Sriram, Charles R. Hoppin, Narmandakh Taylor, Satchit Srinivasan
  • Publication number: 20140163192
    Abstract: Poly(aryletherketone)s comprising fluoride end groups having improved melt stability, lower gel content and lower color are provided.
    Type: Application
    Filed: December 5, 2013
    Publication date: June 12, 2014
    Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.
    Inventors: Chantal Louis, Satchit Srinivasan, William Gandy
  • Patent number: 8642713
    Abstract: Improved poly(aryletherketone)s with superior melt stability, lower gel content and lower color and a new process for their manufacture.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: February 4, 2014
    Assignee: Solvay Advanced Polymers, L.L.C.
    Inventors: Chantal Louis, Satchit Srinivasan, William Gandy
  • Publication number: 20110224399
    Abstract: Improved poly(aryletherketone)s with superior melt stability, lower gel content and lower color and a new process for their manufacture.
    Type: Application
    Filed: August 8, 2008
    Publication date: September 15, 2011
    Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.
    Inventors: Chantal Louis, Satchit Srinivasan, William Gandy
  • Publication number: 20100273957
    Abstract: A prosthetic device comprising at least one part consisting of a polymer composition comprising at least one polyarylene (P1) and at least one polyarylether selected from the group consisting of poly(aryl ether ketone)s (P2) and poly(aryl ether sulfone)s (P3).
    Type: Application
    Filed: March 8, 2010
    Publication date: October 28, 2010
    Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.
    Inventors: Satchit SRINIVASAN, Nikica MALJKOVIC, Romana B. CHAVERS, Mohammad Jamal EL-HIBRI, Roy L. CARTER, David B. THOMAS, Leslie J. MYRICK, Todd S. RUSHING
  • Patent number: 6914094
    Abstract: An article formed from a polyolefin resin blend reaction product that includes at least one propylene-based polyolefin-metal salt and at least one property-modifying agent. Optionally, the article includes a polyethylene-based polyolefin-metal salt, thermoplastic elastomer, such as a hydrogenated styrene-butadiene random copolymer or any other styrenic block copolymer, semi-crystalline polyolefin component, or the like, or combinations thereof. Such articles have enhanced scratch and mar resistance while still retaining acceptable impact toughness. Methods of preparing articles and the blends used to form such articles are also part of the invention.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: July 5, 2005
    Assignee: Solvay Engineered Polymers, Inc.
    Inventors: Rui-dong Ding, Satchit Srinivasan
  • Patent number: 6824889
    Abstract: This invention relates to polyolefin alloys that are receptive to metal plating. These compositions also have enhanced properties and are easily processed into articles by various molding methods. The blends of the invention preferably include a polyethylene component, acrylonitrile-butadiene-styrene polymer(s), and at least one styrene monoolefin copolymer. The invention also relates to articles containing such alloys, and to methods of forming such blends and articles containing the same. These blends have excellent platability and superior physical properties including enhanced stiffness and toughness.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: November 30, 2004
    Assignee: Solvay Engineered Polymers, Inc.
    Inventors: Scott Matteucci, Satchit Srinivasan, Ruidong Ding
  • Patent number: 6790874
    Abstract: The invention relates to thermoplastic polyolefin compositions having enhanced surface durability and products thereof which include a thermoplastic polyolefin base component at least one radiation-crosslinkable component present in an amount sufficient to enhance the surface durability of the thermoplastic polyolefin component when radiation-cured and at least one photoinitiator present in an amount sufficient to initiate crosslinking of the radiation-crosslinkable component upon exposure of the thermoplastic polyolefin composition to radiation.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: September 14, 2004
    Assignees: Solvay Engineered Polymers, Ciba Specialty Chemicals Corporation
    Inventors: Edmund K. Lau, Satchit Srinivasan, Peter J. Perron, Peter S. Solera, Anthony DeBellis, Chia-Hu Chang, Gerald Capocci, Joseph Puglisi, Douglas Horsey
  • Patent number: 6770697
    Abstract: The invention includes a process for preparing an improved melt-strength polyolefin blend by incorporating a polyolefin/clay nanocomposite product. The nanocomposite-modified polyolefin blend is used to form articles through processing operations that involve stretching and/or drawing, such as thermoforming, melt spinning, blow molding and foaming. The addition of the nanocomposite product to the polyolefin blend improves the sag resistance of the polyolefin and broadens the processing window of the operation.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: August 3, 2004
    Assignee: Solvay Engineered Polymers
    Inventors: Marta Drewniak, Xia Zhao, Satchit Srinivasan
  • Publication number: 20040005473
    Abstract: This invention relates to polyolefin alloys that are receptive to metal plating. These compositions also have enhanced properties and are easily processed into articles by various molding methods. The blends of the invention preferably include a polyethylene component, acrylonitrile-butadiene-styrene polymer(s), and at least one styrene monoolefin copolymer. The invention also relates to articles containing such alloys, and to methods of forming such blends and articles containing the same. These blends have excellent platability and superior physical properties including enhanced stiffness and toughness.
    Type: Application
    Filed: July 3, 2002
    Publication date: January 8, 2004
    Inventors: Scott Matteucci, Satchit Srinivasan, Ruidong Ding
  • Publication number: 20030204019
    Abstract: An article formed from a polyolefin resin blend reaction product that includes at least one propylene-based polyolefin-metal salt and at least one property-modifying agent. Optionally, the article includes a polyethylene-based polyolefin-metal salt, thermoplastic elastomer, such as a hydrogenated styrene-butadiene random copolymer or any other styrenic block copolymer, semi-crystalline polyolefin component, or the like, or combinations thereof. Such articles have enhanced scratch and mar resistance while still retaining acceptable impact toughness. Methods of preparing articles and the blends used to form such articles are also part of the invention.
    Type: Application
    Filed: May 16, 2003
    Publication date: October 30, 2003
    Inventors: Rui-dong Ding, Satchit Srinivasan
  • Patent number: 6610408
    Abstract: Thermoplastic polyolefin blends having improved resistance to fluids such as petroleum fuels after being painted with flexible coatings such as polyurethanes paints and the like are disclosed. These blends include a crystalline or semi-crystalline polyolefin such as polyethylene, polypropylene, or a copolymer of ethylene and a C3 to C10 olefin, and a multimodal elastomer of sequentially polymerized ethylene-&agr;-olefin monomers. The substantially crystalline polyolefin is present in an amount of 30 to 98 weight percent, while the multimodal elastomer, which is substantially amorphous, is present in an amount of about 2 to 70 weight percent. The blends may contain additional polymeric components, fillers and the like. In addition to increased paint adherence, higher weld-line strength, low temperature ductility and processability can be achieved.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: August 26, 2003
    Assignees: Solvay Engineered Polymers, Dupont Dow Elastomers L.L.C., The Dow Chemical Company
    Inventors: Satchit Srinivasan, Edward Szczepaniak, Jhy-Yuan Her, Michael K Laughner, Teresa Plumley Karjala
  • Patent number: 6541568
    Abstract: Thermoplastic polymer blends and formed articles made thereof which exhibit superior physical properties such as a combination of excellent scratch resistance, rigidity and impact toughness. The thermoplastic polyolefin blend includes from about 40 percent to about 80 percent of a base component of propylene-containing polymer; from about 5 percent to about 30 percent of a toughening component; and from about 3 percent to about 40 percent of a thermoplastic elastomer, preferably of a high styrene containing block or random copolymer. A preferred thermoplastic polyolefin blend includes between about 50 percent to about 70 percent of the base component; between about 10 percent to about 20 percent of the toughening component; and between about 5 percent to about 20 percent of the styrene block copolymer. Advantageously, the thermoplastic elastomer has greater than 50 percent by weight styrene monomer.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: April 1, 2003
    Assignee: Solvay Engineered Polymers
    Inventors: Ruidong Ding, Satchit Srinivasan, Edmund K. Lau
  • Patent number: 6509416
    Abstract: A polyolefin blend including a propylene-based polyolefin-metal salt that is a reaction product of a propylene-containing polymer and a first organic monomer including a hydrophilic moiety that is at least partially neutralized with a metal ion, and an ethylene-based polyolefin-metal salt that is a reaction product of an ethylene-containing polymer and a second organic monomer including a hydrophilic moiety that is at least partially neutralized with a metal ion. Optionally, the blend includes a copolymer of ethylene and an alpha-olefin, and optionally one or more diene(s); a thermoplastic elastomer, such as an olefinic copolymer with styrene; a copolymer of ethylene, at least one alpha-olefin, and/or a monomer with a hydrophilic moiety. Also included are methods of preparing such blends, as well as the resultant articles.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: January 21, 2003
    Assignee: Solvay Engineered Polymers
    Inventors: Ruidong Ding, Satchit Srinivasan, Edmund K. Lau
  • Patent number: 6509107
    Abstract: This invention relates to polyolefin alloys that are receptive to metal plating. These compositions also have enhanced properties and are easily processed into articles by various molding methods. The blends of the invention preferably include polyolefin homopolymers or copolymers, acrylonitrile-butadiene-styrene polymers, and a blend of at least one styrene monoolefin copolymer and at least one styrene diolefin copolymer. These blends have excellent platability and superior physical properties including enhanced rigidity, toughness, and dimensional stability.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: January 21, 2003
    Assignee: Solvay Engineered Polymers
    Inventors: Ruidong Ding, Satchit Srinivasan, Scott Matteucci
  • Publication number: 20030013780
    Abstract: The invention relates to thermoplastic polyolefin compositions having enhanced surface durability and products thereof which include a thermoplastic polyolefin base component at least one radiation-crosslinkable component present in an amount sufficient to enhance the surface durability of the thermoplastic polyolefin component when radiation-cured and at least one photoinitiator present in an amount sufficient to initiate crosslinking of the radiation-crosslinkable component upon exposure of the thermoplastic polyolefin composition to radiation.
    Type: Application
    Filed: July 31, 2002
    Publication date: January 16, 2003
    Inventors: Edmund K. Lau, Satchit Srinivasan, Peter J. Perron, Peter S. Solera, Anthony DeBellis, Chia-Hu Chang, Gerald Capocci, Joseph Puglisi, Douglas Horsey
  • Patent number: 6488882
    Abstract: The invention relates to thermoplastic polyolefin compositions having enhanced surface durability and products thereof which include a thermoplastic polyolefin base component at least one radiation-crosslinkable component present in an amount sufficient to enhance the surface durability of the thermoplastic polyolefin component when radiation-cured and at least one photoinitiator present in an amount sufficient to initiate crosslinking of the radiation-crosslinkable component upon exposure of the thermoplastic polyolefin composition to radiation.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: December 3, 2002
    Assignees: Solvay Engineered Polymers, Ciba Specialty Chemicals Corporation
    Inventors: Edmund K. Lau, Satchit Srinivasan, Peter J. Perron, Peter S. Solera, Anthony DeBellis, Chia-Hu Chang, Gerald Capocci, Joseph Puglisi, Douglas Horsey
  • Publication number: 20020173581
    Abstract: A polyolefin blend is presented having a propylene containing polymer as a base component, a portion of which is functionalized with a hydrophilic moiety; a toughening component of polymer selected from the group consisting of (A) a copolymer of ethylene and an alpha olefin and (B) a terpolymer of ethylene, an alpha olefin and a diene; an interfacial modifier in the form of an elastomeric block copolymer; and a filler.
    Type: Application
    Filed: May 3, 2000
    Publication date: November 21, 2002
    Inventors: Marta Drewniak, Jhy-Yuan Her, Satchit Srinivasan, Edward Szczepaniak
  • Publication number: 20020156171
    Abstract: The invention includes a process for preparing an improved melt-strength polyolefin blend by incorporating a polyolefin/clay nanocomposite product. The nanocomposite-modified polyolefin blend is used to form articles through processing operations that involve stretching and/or drawing, such as thermoforming, melt spinning, blow molding and foaming. The addition of the nanocomposite product to the polyolefin blend improves the sag resistance of the polyolefin and broadens the processing window of the operation.
    Type: Application
    Filed: February 7, 2002
    Publication date: October 24, 2002
    Inventors: Marta Drewniak, Xia Zhao, Satchit Srinivasan
  • Patent number: 6465571
    Abstract: A polyolefin blend is presented having a propylene containing polymer as a base component, a portion of which is functionalized with a hydrophilic moiety; a toughening component of polymer selected from the group consisting of(A) a copolymer of ethylene and an alpha olefin and (B) a terpolymer of ethylene, an alpha olefin and a diene; an interfacial modifier in the form of an elastomeric block copolymer; and a filler.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: October 15, 2002
    Assignee: Solvay Engineered Polymers
    Inventors: Marta Drewniak, Jhy-Yuan Her, Satchit Srinivasan, Edward Szczepaniak