Patents by Inventor Elwood Herbert Macy

Elwood Herbert Macy 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).

  • Process for forming carbonates of hydroxyaromatic compounds
    Patent number: 6153696
    Abstract: A process for the stoichiometric carbonation of a hydroxyaromatic material is provided which comprises the steps of (a) mixing together in a reaction vessel (1) a hydroxyaromatic material, (2) a sufficient amount of a dialkyl dicarbonate to give the desired degree of substitution, (3) a catalytic amount of an unhindered tertiary amine, and (4) a solvent, (b) stirring the reaction mixture, (c) precipitating the alkyl carbonate of the hydroxyaromatic material, and (d) recovering the alkyl carbonate of the hydroxyaromatic material.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: November 28, 2000
    Assignee: International Business Machines Corporation
    Inventors: Gregory Breyta, Daniel Joseph Dawson, Moahmoud Mostafa Khojasteh, Ranee Wai-Ling Kwong, Elwood Herbert Macy, David Paul Merritt, Wayne Martin Moreau, Stanley Eugene Perreault, Harbans Singh Sachdev, Robert Lavin Wood, Hiroshi Ito
  • Polymeric dyes for antireflective coatings
    Patent number: 6051364
    Abstract: A composition and methods for the use and manufacture thereof are provided for a polymeric dye. The composition comprises one or more aminoaromatic chromophores in conjunction with polymers having an anhydride group or the reaction products thereof. The composition is particularly useful as an underlaying antireflective coating with microlithographic photoresists for the absorbtion of near or deep ultraviolet radiation.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: April 18, 2000
    Assignee: International Business Machines Corporation
    Inventors: Christopher John Knors, Elwood Herbert Macy, Wayne Martin Moreau
  • Polymeric dyes for antireflective coatings
    Patent number: 5800963
    Abstract: A composition and methods for the use and manufacture thereof are provided for a polymeric dye. The composition comprises one or more aminoaromatic chromophores in conjunction with polymers having an anhydride group or the reaction products thereof. The composition is particularly useful as an underlaying antireflective coating with microlithographic photoresists for the absorbtion of near or deep ultraviolet radiation.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 1, 1998
    Assignee: International Business Machines Corporation
    Inventors: Christopher John Knors, Elwood Herbert Macy, Wayne Martin Moreau
  • Polymeric dyes for antireflective coatings
    Patent number: 5731385
    Abstract: A composition and methods for the use and manufacture thereof are provided for a polymeric dye. The composition comprises one or more aminoaromatic chromophores in conjunction with polymers having an anhydride group or the reaction products thereof. The composition is particularly useful as an underlaying antireflective coating with microlithographic photoresists for the absorbtion of near or deep ultraviolet radiation.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: March 24, 1998
    Assignee: International Business Machines Corporation
    Inventors: Christopher John Knors, Elwood Herbert Macy, Wayne Martin Moreau
  • Polymeric dyes for antireflective coatings
    Patent number: 5654376
    Abstract: A composition and methods for the use and manufacture thereof are provided for a polymeric dye. The composition comprises one or more aminoaromatic chromophores in conjunction with polymers having an anhydride group or the reaction products thereof. The composition is particularly useful as an underlaying antireflective coating with microlithographic photoresists for the absorbtion of near or deep ultraviolet radiation.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 5, 1997
    Assignee: International Business Machines Corporation
    Inventors: Christopher John Knors, Elwood Herbert Macy, Wayne Martin Moreau