Patents by Inventor Mark Rule

Mark Rule 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 the preparation of copoly(arylene sulfide)
    Patent number: 4855393
    Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the absence of a basic material.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: August 8, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, David R. Fagerburg, Joseph J. Watkins, Jerry S. Fauver
  • Oxyiodination incorporating an iodine generator for the conversion of methyl iodide to iodine
    Patent number: 4853480
    Abstract: A process for the vapor phase iodination of an aromatic compound which involves combusting an alkyl aromatic iodide in the presence of oxygen to produce molecular iodine and feeding the molecular iodine and an aromatic compound to an oxyiodination reaction to iodinate aromatic compounds.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: August 1, 1989
    Assignee: Eastman Kodak Company
    Inventors: Gerald C. Tustin, Kyle C. Smith, Mark Rule
  • Process for the co-production of aromatic carboxylates and alkyl iodides
    Patent number: 4851564
    Abstract: Disclosed is a process for the co-production of aromatic carboxylates and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a rhodium catalyst.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: July 25, 1989
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule
  • Process for the co-production of aromatic carboxylates and alkyl iodides
    Patent number: 4847406
    Abstract: Disclosed is a process for the co-production of aromatic carboxylates and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a ruthenium catalyst.
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: July 11, 1989
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule
  • Preparation of aromatic carboxylic acids
    Patent number: 4845280
    Abstract: Disclosed is a process for the production of aromatic carboxylic acids by the carbonylation of aromatic bromides in the presence of a nickel catalyst, a Bronsted base and an iodide promoter.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: July 4, 1989
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule
  • Carbonylation process for the production of aromatic
    Patent number: 4845273
    Abstract: Disclosed is a process for the production of aromatic carboxylic acids by the carbonylation of aromatic iodides in the presence of a rhodium catalyst and a Bronsted base in a hydrocarbon carboxylic acid reaction medium.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: July 4, 1989
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule
  • Process for the preparation of copoly(arylene sulfide) using an oxygen-containing gas
    Patent number: 4826956
    Abstract: A process for producing a copoly(arylene sulfide) corresponding to the structure[--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.5 to 0.001 and n is at least 200, comprising reacting within a reaction zone a mixture of a diiodoaromatic compound and elemental sulfur at a polymer producing temperature wherein the reaction zone contains an oxygen-containing gas flowing at a rate in the range of 0.001 to 0.08 ft3/hr/mol of oxygen per mole of sulfur.
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: May 2, 1989
    Assignee: Eastman Kodak Company
    Inventors: David R. Fagerburg, Joseph J. Watkins, Paul B. Lawrence, Mark Rule
  • Process for the co-production of aromatic carboxylates and alkyl iodides
    Patent number: 4827018
    Abstract: Disclosed is a process for the co-production of aromatic carboxylates and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a nickel catalyst.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: May 2, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Thomas H. Larkins, Jr., Donald W. Lane, Guy R. Steinmetz
  • Vapor phase bromination of aromatic compounds
    Patent number: 4814525
    Abstract: The process relates to a process for the vapor phase bromination of aromatic compounds in the presence of oxygen and a catalyst comprising an oxidizing metal and an inert support.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: March 21, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Donald W. Lane, Gerald C. Tustin
  • Process for removing impurities from an aromatic stream
    Patent number: 4814545
    Abstract: A process comprising removing alkyl-substituted aromatic compounds, alkyl compounds, or cycloalkyl compounds from an aromatic stream containing these compounds by contacting the aromatic stream with molecular oxygen in the presence of a zeolite.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: March 21, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Gerald C. Tustin, Regina M. Moncier, Joseph F. Jeter
  • Selective adsorption/separation of diiodonaphthalenes
    Patent number: 4814526
    Abstract: A process for the separation of a mixture of diiodonaphthalene isomers into an adsorbed component and a non-adsorbed component by passing the mixture over a zeolite to obtain an adsorbed zeolite containing the adsorbed component, separating off the non-adsorbed component and eluting the adsorbed zeolite with a desorbent to obtain the adsorbed component.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: March 21, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, H. L. Browning, Jr.
  • Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
    Patent number: 4806676
    Abstract: A process for preparing an aromatic carboxylic ester and an alkyl iodide by carbonylating an aromatic iodide in the presence of an ether, a catalytic amount of a transition metal and a strong acid promoter.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: February 21, 1989
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule
  • Liquid phase isomerization of iodoaromatic compounds
    Patent number: 4806698
    Abstract: The invention relates to a process for isomerizing liquid iodoaromatic compounds over an acid catalyst.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: February 21, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Gerald C. Tustin
  • Selective liquid phase disproportionation catalysts for iodoaromatics
    Patent number: 4806697
    Abstract: The invention relates to a process for isomerizing iodoaromatic compounds over a non-acidic zeolite catalyst in the liquid or gas phase in the presence of a source of iodine.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: February 21, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Gerald C. Tustin
  • Process for the co-production of aromatic carboxylates and alkyl iodides
    Patent number: 4803296
    Abstract: A process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an ether and an iridium catalyst.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: February 7, 1989
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule, Victor H. Agreda, Lanney C. Treece
  • Process for the iodination of aromatic compounds over solid catalysts
    Patent number: 4795737
    Abstract: Disclosed is a process for iodinating aromatic compounds by reacting an aromatic compound with oxygen in the presence of a catalyst containing alkaline or alkaline earth cations.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: January 3, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Gerald C. Tustin
  • Process for the preparation of copoly(arylene sulfide) with aromatic nitro compound catalyst
    Patent number: 4792600
    Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sub.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur in the presence of a catalytic amount of an aromatic nitro compound.
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: December 20, 1988
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, David R. Fagerburg, Joseph J. Watkins
  • Process for the preparation of aryl sulfides
    Patent number: 4792634
    Abstract: A method for preparing aryl sulfides by heating an iodoaromatic compound with elemental sulfur at a temperature above about 150.degree. C.
    Type: Grant
    Filed: August 20, 1987
    Date of Patent: December 20, 1988
    Assignee: Eastman Kodak Company
    Inventor: Mark Rule
  • Process for preparing iodinated aromatic compounds
    Patent number: 4792641
    Abstract: The invention relates to a process for isomerizing and transiodinating iodoaromatic compounds over a non-acid catalyst.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: December 20, 1988
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Donald W. Lane, Thomas H. Larkins, Gerald C. Tustin
  • Process for preparing iodinated aromatic compounds
    Patent number: 4792642
    Abstract: Disclosed is a process for iodinating aromatic compounds by reacting an aromatic compound with oxygen at low temperatures in the presence of a non-acid catalyst containing an oxidation catalyst.
    Type: Grant
    Filed: March 25, 1987
    Date of Patent: December 20, 1988
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Gerald C. Tustin, Donald L. Carver, Jerry S. Fauver