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).

  • Preparation of low color copoly(arylene sulfide) by heating copoly(arylene sulfide)
    Patent number: 4945155
    Abstract: A process comprising heating for a sufficient period of time and at a temperature in the range of the glass transition temperature of the polymer to 5 degrees C below the melting point of the polymer, a solid, comminuted, copoly(arylene sulfide) prepared by reacting at a polymer producing temperature a mixture of a diiodoaromatic compound and elemental sulfur which contains less than 0.05 weight percent carbon, the 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 0.2 to 0.005 and n is at least 100.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: July 31, 1990
    Assignee: Eastman Kodak Company
    Inventors: David R. Fagerburg, Mark Rule, Joseph J. Watkins, Paul B. Lawrence
  • Process for preparation of copoly(arylene sulfide)
    Patent number: 4939236
    Abstract: A process for preparing a copoly(arylene sulfide) corresponding to the structure[(--A--S--).sub.1-x (--A--S--S--).sub.x ].sbsb.nwherein x is in the range of 0.5 to 0.001 by reacting a mixture of a diiodoaromatic compound and elemental sulfur which contains less than 0.05 weight percent carbon.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: July 3, 1990
    Assignee: Eastman Kodak Company
    Inventors: David R. Fagerburg, Joseph J. Watkins, Paul B. Lawrence, Mark Rule
  • Olefination of iodoaromatic compounds
    Patent number: 4935559
    Abstract: A method of preparing an aryl alkene compound comprising reacting an iodoaromatic compound an alkene and an alkanol in the presence of a palladium catalyst and the absence of a Bronsted base.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: June 19, 1990
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Eric J. Fugate
  • Process for the co-production of aromatic carboxylate and alkyl iodide
    Patent number: 4912250
    Abstract: Disclosed is a process for the co-production of an aromatic carboxylic esters and alkyl iodide by the carbonylation of an aromatic iodide in the absence of a Bronsted base and in the presence of an ether and a nickel catalyst.
    Type: Grant
    Filed: February 6, 1989
    Date of Patent: March 27, 1990
    Assignee: Eastman Kodak Company
    Inventors: Guy R. Steinmetz, Mark Rule, Victor H. Agreda, Lanny C. Treece
  • Process for preparing iodinated aromatic compounds and the regeneration of catalysts used therein
    Patent number: 4895992
    Abstract: 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. The catalyst may be regenerated by heating the catalyst in the presence of oxygen.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: January 23, 1990
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Gerald C. Tustin, Donald L. Carver, Jerry S. Fauver
  • Process for preparation of aromatic dimers
    Patent number: 4885423
    Abstract: A process for preparation of an aromatic dimer compound corresponding to the structureIxAr-ArIxwherein x is 0, 1, 2, 3, 4, or 5 and Ar is a divalent aromatic radical containing 6 to 14 carbon atoms comprising contacting, at a sufficient temperature and pressure in the absence of carbon monoxide and in the absence of an alkali metal compound or an alkaline earth metal compound, platinum and an aromatic iodide compound corresponding to the structureAr-Ixwhere Ar is a monovalent aromatic radical and x is 1, 2, 3, 4, 5, or 6.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: December 5, 1989
    Assignee: Eastman Kodak Company
    Inventor: Mark Rule
  • Process for the coproduction of aromatic carboxylates and alkyl iodides
    Patent number: 4866200
    Abstract: Disclosed is a process for the co-production of aromatic carboxylic esters and alkyl iodides by the carbonylation of aromatic iodides in the presence of an alkanol and a palladium catalyst.
    Type: Grant
    Filed: August 4, 1988
    Date of Patent: September 12, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Thomas H. Larkins, Jr., Donald W. Lane, Guy R. Steinmetz
  • Oxidation hydrolysis of iodoalkanes
    Patent number: 4863710
    Abstract: A process comprising preparation of an alkanol and elemental iodine by contacting an iodoalkane containing 1 to 20 carbons, water and molecular oxygen at a temperature in the range of about 50.degree. to about 200.degree. C. and recovering the elemental iodine.
    Type: Grant
    Filed: July 15, 1988
    Date of Patent: September 5, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Victor H. Agreda
  • Process for the preparation of copoly(arylene sulfide)
    Patent number: 4859762
    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 and in the presence of a catalytic amount of an organic amine-containing compound.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: August 22, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, David R. Fagerburg, Joseph J. Watkins
  • Process for the preparation of copoly(arylene sulfide)
    Patent number: 4857629
    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 and in the presence of a catalytic amount of iron.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: August 15, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, David R. Fagerburg, Joseph J. Watkins
  • Oxidative iodination of phenol
    Patent number: 4855514
    Abstract: A process for producing iodophenols which comprises contacting phenol, a source of iodine and molecular oxygen in an aqueous medium to produce an iodophenol.
    Type: Grant
    Filed: August 17, 1988
    Date of Patent: August 8, 1989
    Assignee: Eastman Kodak Company
    Inventors: Mark Rule, Regina M. Moncier
  • 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 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
  • 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 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