Patents by Inventor Brett D. Martin

Brett D. Martin 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).

  • Highly conducting and transparent thin polymer films formed from double and multiple layers of poly(3,4-ethylenedioxythiophene) and its derivatives
    Publication number: 20040253439
    Abstract: A polymer film comprising at least two layers, wherein each layer comprises a compound comprising the formula: 1
    Type: Application
    Filed: March 26, 2003
    Publication date: December 16, 2004
    Inventors: Brett D. Martin, R. Shashidhar, Nikolay Nikolov
  • HIGHLY CONDUCTING AND TRANSPARENT THIN FILMS FORMED FROM NEW FLUORINATED DERIVATIVES OF 3,4-ETHYLENEDIOXYTHIOPHENE
    Publication number: 20040214985
    Abstract: A compound comprising the formula: 1
    Type: Application
    Filed: March 26, 2003
    Publication date: October 28, 2004
    Inventors: Brett D. Martin, R. Shashidhar, Nikolay Nikolov, John C. Mastrangelo
  • Method for making high molecular weight, extended pi-conjugated polymers
    Publication number: 20020165338
    Abstract: A process for making a high molecular weight, extended &pgr;-conjugated polymer from a monomer comprising a heterocyclic, benzylic or phenolic ring is described.
    Type: Application
    Filed: May 4, 2001
    Publication date: November 7, 2002
    Inventors: Brett D. Martin, Charles H. Patterson
  • Sugar-based polymers
    Patent number: 5854030
    Abstract: Sugar-containing poly(acrylate)-based hydrogels and methods of preparing these hydrogels are disclosed. Poly(sugar acrylate)s are chemeoenzymatically prepared and crosslinked to form hydrogels, which are water absorbant.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: December 29, 1998
    Assignee: University of Iowa Research Foundation
    Inventors: Jonathan S. Dordick, David G. Rethwisch, Damodar R. Patil, Brett D. Martin, Robert J. Linhardt
  • Heat guard
    Patent number: 5664554
    Abstract: A main member includes two opposing sides and a first end which is dipsosed opposite a second end. A side member depends from each of the sides. A handle insert depends from the first end, the handle insert configured to fit over a handle of an oven door. The side members are configured to extend along the sides of the oven.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: September 9, 1997
    Inventor: Brett D. Martin
  • Method of making poly(sugar acrylates) using hydrolytic enzymes
    Patent number: 5474915
    Abstract: A poly(sugar acrylate) is prepared by reacting vinyl acrylate with a sugar in the presence of hydrolytic enzymes to prepare an acryloyl ester of the sugar. The acryloyl ester of the sugar is then polymerized to form the poly(sugar acrylate). Useful hydrolytic enzymes include alkaline protease, aminoacylase, fungal amylase, bacterial protease, lipase from Pseudomonas cepacia and subtilisin. Useful sugars include .alpha.- or .beta.-alkyl- or .alpha.- or .beta.-halo-glycosides, sucrose, fructose, mannose, trehalose, raffinose, lactose and maltose. A free radical initiator can be used in the polymerization. A copolymer can be formed by mixing the sugar ester with a monomer such as 2-hydroxyethyl methacrylate before polymerizing. During formation of the copolymer, a cross-linking agent such as ethylene glycol dimethacrylate may be present. The poly(sugar acrylates) form hydrogels which are useful in absorbent materials such as diaper liners, packaging materials and drug delivery polymers.
    Type: Grant
    Filed: February 7, 1994
    Date of Patent: December 12, 1995
    Assignee: University of Iowa Research Foundation
    Inventors: Jonathan S. Dordick, Brett D. Martin, Robert J. Linhardt