Patents by Inventor John W. Muskopf

John W. Muskopf 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).

  • Blends of polycarbonate and chlorinated polyethylene
    Patent number: 5525651
    Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 11, 1996
    Assignee: The Dow Chemical Company
    Inventors: Samuel A. Ogoe, David W. Liou, Oliver C. Ainsworth, James R. Bethea, David R. Flores, Stephen R. Ellebracht, John W. Muskopf, Craig L. Werling, Edwin J. Wilson, John W. Cocup, Joseph L. Allison
  • Curable composition which comprises adducts of heterocyclic compounds
    Patent number: 5503937
    Abstract: A curable composition which comprises:(1) a compound which contains on average more than 1 epoxy group per molecule;(2) a compound which contains on average more than 1 phenolic hydroxyl group per molecule; and(3) a catalytic amount of a catalyst compound which contains:(a) a cation containing at least one heterocyclic nitrogen-containing ring, and(b) an anion which is a conjugate base of fluoroarsenic acid, fluoroantimonic acid, fluorophosphoric acid, chloroarsenic acid, chloroantimonic acid, chlorophosphoric acid, nitric acid, hydrofluoric acid, trifluoroacetic acid, trifluoromethane sulfonic acid, picric acid, fluoboric acid, or an acid represented by the Formula:HBR.sub.3 R'wherein each R is independently a hydrocarbyl or substituted hydrocarbyl group and R' is a halogen, a hydrocarbonoxy group, a hydrocarbonamino group, or a hydrocarbonphosphino group.
    Type: Grant
    Filed: February 7, 1994
    Date of Patent: April 2, 1996
    Assignee: The Dow Chemical Company
    Inventors: James L. Bertram, Louis L. Walker, John W. Muskopf
  • Blends of polycarbonate and chlorinated polyethylene
    Patent number: 5424341
    Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: June 13, 1995
    Assignee: The Dow Chemical Company
    Inventors: Samuel A. Ogoe, David W. Liou, Oliver C. Ainsworth, James R. Bethea, John W. Muskopf, Craig L. Werling, Edwin J. Wilson, John W. Cocup
  • Latent, curable, catalyzed mixtures of epoxy-containing and phenolic-hydroxyl-containing compounds containing compounds or complexes formed from contacting organic phosphines or arsines with weak nucleophilic acids
    Patent number: 5140079
    Abstract: The products resulting from contacting an organic phosphine or arsine with an inorganic acid having a weak nucleophilic anion provide for relatively stable compositions when admixed with a compound containing an average of more than one vicinal epoxide group per molecule and which optionally contains a compound containing an average of more than one phenolic hydroxyl group per molecule.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: August 18, 1992
    Assignee: The Dow Chemical Company
    Inventors: John W. Muskopf, Louis L. Walker, James L. Bertram
  • Latent catalysts for epoxy-phenolic reactions
    Patent number: 5134239
    Abstract: Latent catalyst compounds for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups are prepared by contacting a nitrogen-containing heterocyclic compound with an acid having a weak nucleophilic anion.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: July 28, 1992
    Assignee: The Dow Chemical Company
    Inventors: James L. Bertram, Louis L. Walker, John W. Muskopf
  • Latent, curable, catalyzed mixtures of epoxy-containing and phenolic hydroxyl-containing compounds
    Patent number: 4925901
    Abstract: Storage stable compositions are disclosed which comprise an epoxide containing compound, a phenolic hydroxyl containing compound, and a catalyst compound for catalyzing the reaction between epoxide groups and aromatic hydroxyl groups which catalyst comprises the product resulting from contacting an onium salt, amine, or amine salt with an acid or a salt of an acid having a weak nucleophilic anion.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: May 15, 1990
    Assignee: The Dow Chemical Company
    Inventors: James L. Bertram, Louis L. Walker, John W. Muskopf