Patents Examined by Keith MacMillen
  • Hydroxylation of phenols/phenol ethers
    Patent number: 5254746
    Abstract: The phenols and phenol ethers are hydroxylated by reaction with hydrogen peroxide in the presence of a catalytically effective amount of a titanozeosilite, advantageously a silicon oxide/titanium oxide MFI zeolite having the general formula:SI.sub.(96-x), Ti.sub.x O.sub.192.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: October 19, 1993
    Assignee: Rhone-Poulenc Chimie
    Inventors: Michel Costantini, Jean-Michel Popa, Michel Gubelmann
  • Protein staining compositions and methods
    Patent number: 5132439
    Abstract: The present invention provides novel dyes for staining protein, particularly those in elecrophoretic gels. The dyes of the invention are derivatives of Coomassie.RTM. dyes. The invention also provides quantitative and qualitative methods for detecting proteins which comprise staining the proteins with a dye of the invention.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: July 21, 1992
    Assignee: Promega Corporation
    Inventors: John W. Schultz, David L. Leland
  • Novel fatty acid analog enzyme substrates
    Patent number: 5082967
    Abstract: Novel diheteroatom-substituted fatty acid analog substrates of myristoylating enzymes are provided which contain oxyen and/or sulfur in place of two methylene groups in carbon positions from 3 to 13 in the fatty acid chain of a C.sub.13 -C.sub.14 fatty acid analog or alkyl ester thereof in which said oxygen or sulfur atoms are separated by at least one methylene group.
    Type: Grant
    Filed: February 9, 1990
    Date of Patent: January 21, 1992
    Assignee: Washington University
    Inventors: Robert O. Heuckeroth, Steven P. Adams, Jeffrey I. Gordon, George W. Gokel