Patents by Inventor Gregory A. Ferro

Gregory A. Ferro 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).

  • Polyimide foam prepared from amino terminated butadiene acrylonitrile reactant
    Patent number: 4539342
    Abstract: A polyimide and a process for its preparation wherein the polyimide is prepared from reaction of an organic tetracarboxylic acid or derivative thereof with a mixture of an aromatic diamine and an amine-terminated butadiene-nitrile copolymer. The polyimides of the invention are particularly useful in the preparation of flexible foams.
    Type: Grant
    Filed: April 3, 1984
    Date of Patent: September 3, 1985
    Assignee: IMI-Tech Corporation
    Inventors: Raymond Lee, David W. Okey, Gregory A. Ferro
  • Polyimide of 2,2-bis(4-(4-aminophenoxy)phenyl)-hexafluoropropane and process for the preparation of same
    Patent number: 4535101
    Abstract: A polyimide and a process for its preparation wherein the polyimide is prepared from reaction of an organic tetracarboxylic acid or derivative thereof with a mixture of an aromatic diamine and an amine-terminated fluoroether. The polyimides of the invention are particularly useful in the preparation of flexible foams.
    Type: Grant
    Filed: April 3, 1984
    Date of Patent: August 13, 1985
    Assignee: Imi-Tech Corporation
    Inventors: Raymond Lee, Usman A. K. Sorathia, Gregory A. Ferro
  • Polyimide foam from mixture of silicon containing diamine and different aromatic diamine
    Patent number: 4535099
    Abstract: A polyimide and a process for its preparation wherein the polyimide is prepared from reaction of an organic tetracarboxylic acid or derivative thereof with a mixture of an aromatic diamine and an amine-terminated silicone. The polyimides of the invention are particularly useful in the preparation of flexible foams.
    Type: Grant
    Filed: April 3, 1984
    Date of Patent: August 13, 1985
    Assignee: Imi-Tech Corporation
    Inventors: Raymond Lee, David W. Okey, Gregory A. Ferro