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Maria Spinu

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  • Hockessin, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacture of polyethylenes
    • Patent number 6,921,795
    • Issue date Jul 26, 2005
    • E. I. Du Pont de Nemours and Company
    • Lin Wang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Manufacture of polyethylenes
    • Patent number 6,555,631
    • Issue date Apr 29, 2003
    • E. I. Du Pont de Nemours and Company
    • Lin Wang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerizations based on cyclic oligomer
    • Patent number 6,297,330
    • Issue date Oct 2, 2001
    • E. I. Du Pont de Nemours and Company
    • Robert Ray Burch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    L,d-polylactide copolymers with controlled morphology
    • Patent number 5,346,966
    • Issue date Sep 13, 1994
    • E. I. Du Pont de Nemours and Company
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyvinyl alcohol esterified with lactic acid and process therefor
    • Patent number 5,331,045
    • Issue date Jul 19, 1994
    • E. I. Du Pont de Nemours and Company
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Manufacture of polylactide stereocomplexes
    • Patent number 5,317,064
    • Issue date May 31, 1994
    • E. I. Du Pont de Nemours and Company
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    L-Dpolylactide copolymers with controlled morphology
    • Patent number 5,270,400
    • Issue date Dec 14, 1993
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Star-shaped hydroxyacid polymers
    • Patent number 5,225,521
    • Issue date Jul 6, 1993
    • E. I. Du Pont de Nemours and Company
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Degradable foam materials
    • Patent number 5,210,108
    • Issue date May 11, 1993
    • E. I. Du Pont de Nemours and Company
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Alternating (ABA)N polylactide block copolymers
    • Patent number 5,202,413
    • Issue date Apr 13, 1993
    • E. I. Du Pont de Nemours and Company
    • Maria Spinu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Filled ultramicrocellular structures
    • Publication number 20060159907
    • Publication date Jul 20, 2006
    • Simona Percec
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    Filled ultramicrocellular structures
    • Publication number 20060157882
    • Publication date Jul 20, 2006
    • Simona Percec
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Manufacture of polyethylenes
    • Publication number 20040048989
    • Publication date Mar 11, 2004
    • Lin Wang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Manufacture of polyethylenes
    • Publication number 20030149182
    • Publication date Aug 7, 2003
    • Lin Wang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...