Patents by Inventor Anthony B. Conciatori

Anthony B. Conciatori 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).

  • Vinylidene cyanide alternating copolymers exhibiting nonlinear optical and piezoelectric properties
    Patent number: 5061760
    Abstract: In one embodiment this invention provides vinylidene cyanide copolymers with alternating monomeric units as illustrated by the following structure: ##STR1## An invention vinylidene cyanide copolymer in the form of an electret film exhibits a high level of longitudinal piezoelectric effect, and has excellent processability properties. An electret film which has an external electric field-induced noncentrosymmetric dipolar molecular orientation exhibits second order nonlinear optical susceptibility under light propagation conditions.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: October 29, 1991
    Assignee: Hoechst Celanese Corporation
    Inventors: Anthony J. East, Anthony B. Conciatori
  • Vinylidene cyanide alternating copolymers
    Patent number: 5057588
    Abstract: In one embodiment this invention provides vinylidene copolymers with alternating monomeric units as illustrated by the following structure: ##STR1## An invention vinylidene copolymer in the form of an electret film exhibits a high level of longitudinal piezoelectric effect, and has excellent processability and thermal stability properties.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: October 15, 1991
    Assignee: Hoechst Celanese Corp.
    Inventors: Anthony J. East, Anthony B. Conciatori
  • Injection moldable ceramic composition containing a polyacetal binder and process of molding
    Patent number: 4624812
    Abstract: A ceramic composition suitable for injection molding comprises a ceramic powder and a binding agent in an amount effective to permit successful injection molding. The binding agent is comprised of a defined polyacetal which, upon heating, volatilizes evenly and completely thereby resulting in a sintered ceramic article without any latent defects or weak spots.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: November 25, 1986
    Assignee: Celanese Corporation
    Inventors: Gerry Farrow, Anthony B. Conciatori
  • Synthesis of high molecular weight polybenzimidazole with arylhalo phosphorus compound catalyst
    Patent number: 4535144
    Abstract: This invention provides a two stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an arylhalophosphine or arylhalophosphite polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an inherent viscosity of at least about 1.0 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: June 27, 1984
    Date of Patent: August 13, 1985
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • Synthesis of high molecular weight polybenzimidazole with arylhalo phosphorus compound catalyst
    Patent number: 4533725
    Abstract: This invention provides a two stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an arylhalophosphine or arylhalophosphite polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an inherent viscosity of at least about 1.0 dl/g, and weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: August 6, 1985
    Assignee: Delanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • Thermoset resin produced from anisotropic heat-curable acrylic-terminated monomers
    Patent number: 4514553
    Abstract: Novel heat-curable acrylic-terminated monomers are provided which exhibit an optically anisotropic melt phase at a temperature which enables it to undergo melt processing in the formation of molded articles, etc. The monomers are capable of being heat-cured at temperatures in excess of the melt processing temperatures to produce a thermoset self-reinforced composite. The monomer may, for example, consist essentially of the reaction product of p-acryloyloxybenzoic acid and a difunctional aromatic moiety in a molar ratio of about 2:1.
    Type: Grant
    Filed: February 3, 1984
    Date of Patent: April 30, 1985
    Assignee: Celanese Corporation
    Inventors: Anthony B. Conciatori, Eui W. Choe, Gerald Farrow
  • Two stage high molecular weight polybenzimidazole production with phosphorus containing catalyst
    Patent number: 4506068
    Abstract: This invention provides a two stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an arylphosphine or arylphosphite polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an inherent viscosity of at least about 0.9 dl/g, and a weight average molecular weight of at least about 140,000.
    Type: Grant
    Filed: February 2, 1984
    Date of Patent: March 19, 1985
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori, Bennett C. Ward
  • Two stage melt production of high molecular weight polybenzimidazoles with phosphorous catalyst
    Patent number: 4485232
    Abstract: This invention provides a two stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an arylphosphinic acid or arylphosphonic acid polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and plugging value, and is further characterized by an inherent viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: October 18, 1983
    Date of Patent: November 27, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • High molecular weight polybenzimidazoles
    Patent number: 4483977
    Abstract: This invention provides an improved type of high molecular weight polybenzimidazole, which involves the use of a phosphorus-containing polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and plugging value, and is further characterized by an inherent viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: November 20, 1984
    Assignee: Celanese Corporation
    Inventors: Anthony B. Conciatori, Eui W. Choe, Henry K. Hall, Jr.
  • Two stage high molecular weight polybenzimidazole production with phosphorus containing catalyst
    Patent number: 4463167
    Abstract: This invention provides a two stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an arylphosphine or arylphosphite polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5-5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an inherent viscosity of at least about 0.9 dl/g, and a weight average molecular weight of at least about 140,000.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: July 31, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori, Bennett C. Ward
  • Production of improved high molecular weight polybenzimidazole with tin containing catalyst
    Patent number: 4452971
    Abstract: This invention provides a single stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of a tin-containing polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an Inherent Viscosity of at least about 0.5 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: June 5, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • High molecular weight polybenzimidazole preparation with phosphorus containing catalyst
    Patent number: 4452967
    Abstract: This invention provides a single stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of a phosphorus-containing polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and plugging value, and is further characterized by an inherent viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: June 5, 1984
    Assignee: Celanese Corporation
    Inventors: Anthony B. Conciatori, Eui W. Choe, Henry K. Hall, Jr.
  • Production of high molecular weight polybenzimidazole with aryl phosphonic acid or aryl phosphinic acid catalyst
    Patent number: 4452972
    Abstract: This invention provides a two stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an arylphosphinic acid or arylphosphonic acid polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and plugging value, and is further characterized by an inherent viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: June 5, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • Anisotropic heat-curable acrylic-terminated monomers
    Patent number: 4452993
    Abstract: Novel heat-curable acrylic-terminated monomers are provided which exhibit an optically anisotropic melt phase at a temperature which enables it to undergo melt processing in the formation of molded articles, etc. The monomers are capable of being heat-cured at temperatures in excess of the melt processing temperatures to produce a thermoset self-reinforced composite. The monomer may, for example, consist essentially of the reaction product of p-acryloyloxybenzoic acid and a difunctional aromatic moiety in a molar ratio of about 2:1.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: June 5, 1984
    Assignee: Celanese Corporation
    Inventors: Anthony B. Conciatori, Eui W. Choe, Gerald Farrow
  • Production of improved high molecular weight polybenzimidazole with tin containing catalyst
    Patent number: 4448955
    Abstract: This invention provides a single stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of a tin-containing polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an Inherent Viscosity of at least about 0.5 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: May 15, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • Single stage production of improved high molecular weight polybenzimidazole with organosilicon halide catalyst.
    Patent number: 4448954
    Abstract: This invention provides a single stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an organosilicon halide polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an Inherent Viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: May 15, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • Anisotropic heat-curable acetylene-terminated monomers and thermoset resins produced therefrom
    Patent number: 4440945
    Abstract: Novel heat-curable acetylene-terminated monomers are provided which exhibit an optically anisotropic melt phase at a temperature which enables it to undergo melt processing in the formation of molded articles, etc. The monomers are capable of being heat-cured at temperatures in excess of the melt processing temperatures to produce a thermoset self-reinforced composite.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: April 3, 1984
    Assignee: Celanese Corporation
    Inventors: Anthony B. Conciatori, Eui W. Choe, Gerald Farrow
  • Melt processable blend of a low molecular weight liquid crystalline compound and a polyolefin or polyester
    Patent number: 4434262
    Abstract: An improved melt processable blend is provided comprised of a polymer selected from the group consisting of a polyolefin and a polyester and a low molecular weight liquid crystalline compound which is capable of forming an anisotropic melt phase at the melt processing temperature of the blend.
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: February 28, 1984
    Assignee: Celanese Corporation
    Inventors: Alan Buckley, Anthony B. Conciatori, Gordon W. Calundann
  • Single stage production of improved high molecular weight polybenzimidazole with organo silicon halide catalyst
    Patent number: 4431796
    Abstract: This invention provides a single stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of an organosilicon halide polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and Plugging Value, and is further characterized by an Inherent Viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: August 17, 1982
    Date of Patent: February 14, 1984
    Assignee: Celanese Corporation
    Inventors: Eui W. Choe, Anthony B. Conciatori
  • High molecular weight polybenzimidazole preparation with phosphorus containing polymerization catalyst
    Patent number: 4414383
    Abstract: This invention provides a single stage melt polymerization process for the production of an improved type of high molecular weight polybenzimidazole, which involves the use of a phosphorus-containing polymerization catalyst.The process provides poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole of improved color and plugging value, and is further characterized by an inherent viscosity of at least about 0.7 dl/g, and a weight average molecular weight of at least about 100,000.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: November 8, 1983
    Assignee: Celanese Corporation
    Inventors: Anthony B. Conciatori, Eui W. Choe, Henry K. Hall, Jr.