Patents by Inventor Helen Harte

Helen Harte 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).

  • Patent number: 6340733
    Abstract: The present invention describes a process for the making of a copolymer of the general formula (I) wherein A is a residue of at least one (meth)acrylate monomeric species, B is a residue of at least one monomeric species copolymerizable with A, R is a (meth)acrylate functionalized pendant ester group, X1 and X2 are terminal groups which may be the same or different, n and p are both at least one and are chosen such that the copolymer has a number average molecular weight of more than 2000.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: January 22, 2002
    Assignee: Imperial Chemical Industries PLC
    Inventors: Andrew Trevithick Slark, Michael Stephen Chisholm, Helen Harte
  • Publication number: 20010051702
    Abstract: The present invention describes a process for the making of a copolymer of the general formula (I) 1
    Type: Application
    Filed: November 30, 2000
    Publication date: December 13, 2001
    Applicant: Imperial Chemical Industries PLC
    Inventors: Andrew Trevithick Slark, Michael Stephen Chisholm, Helen Harte
  • Patent number: 6214959
    Abstract: The present invention describes a process for the making of a copolymer of the general formula (I) wherein A is a residue of at least one (meth)acrylate monomeric species, B is a residue of at least one monomeric species copolymerizable with A, R is a (meth)acrylate functionalized pendant ester group, X1 and X2 are terminal groups which may be the same or different, n and p are both at least one and are chosen such that the copolymer has a number average molecular weight of more than 2000.
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: April 10, 2001
    Assignee: Imperial Chemical Industries PLC
    Inventors: Andrew Trevithick Slark, Michael Stephen Chisholm, Helen Harte