Patents by Inventor Richard Robert Soelch

Richard Robert Soelch 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).

  • Polymer alloys including two or more components with differing melting points, filaments made thereof, and fabrics made therefrom
    Patent number: 6828261
    Abstract: A synthetic filament formed from first and second compatible polymers. The first polymer has a first, higher melting temperature melting point and the second polymer has a second, lower temperature melting point that is at least 5° C. lower. The polymers are mixed and extruded to form a filament that has two distinct melting points so that the filament remains stable and can be heat set at a temperature less than the first high temperature. A woven textile is also provided which incorporates the filaments in at least some of the machine direction and cross direction yarns.
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: December 7, 2004
    Assignee: AstenJohnson, Inc.
    Inventors: Richard Robert Soelch, Gerry Bissonnette
  • Polymer alloys including two or more components with differing melting points, filaments made thereof, and fabrics made therefrom
    Publication number: 20040014386
    Abstract: A synthetic filament formed from first and second compatible polymers. The first polymer has a first, higher melting temperature melting point and the second polymer has a second, lower temperature melting point that is at least 5° C. lower. The polymers are mixed and extruded to form a filament that has two distinct melting points so that the filament remains stable and can be heat set at a temperature less than the first high temperature. A woven textile is also provided which incorporates the filaments in at least some of the machine direction and cross direction yarns.
    Type: Application
    Filed: July 19, 2002
    Publication date: January 22, 2004
    Applicant: AstenJohnson, Inc.
    Inventors: Richard Robert Soelch, Gerry Bissonnette
  • Low viscosity liquid crystalline polymer compositions
    Patent number: 6613847
    Abstract: A liquid crystalline polyesters or poly(ester-amides) having improved melt viscosity, is made by reacting the polymer with limited amounts of a compound containing specified functionality, such as hydroxyl, carboxyl, or amine. The process may be carried out in a typical polymer melt mixing apparatus such as an extruder. The low viscosity polymer product of the claimed invention has surprising toughness and is particularly useful for encapsulation of electronic components.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: September 2, 2003
    Assignee: E. I. du Pont de Nemours
    Inventor: Richard Robert Soelch
  • High ARC tracking-index poly(phenylene oxide)-liquid crystalline poly
    Patent number: 6441074
    Abstract: Blends of theremotropic liquid crystalline polymers and unfunctionalized poly(phenylene oxides) and a non-conductive filler, in which the dispersed phase domain size preferably is relatively small and present in discrete particles. These blends have excellent comparative tracking index and can be used as molded articles in electronics or electrical applications.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: August 27, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Robert Soelch, Steve G Cottis
  • Low viscosity liquid crystalline polymer compositions
    Publication number: 20020013424
    Abstract: A liquid crystalline polyesters or poly(ester-amides) having improved melt viscosity, is made by reacting the polymer with limited amounts of a compound containing specified functionality, such as hydroxyl, carboxyl, or amine. The process may be carried out in a typical polymer melt mixing apparatus such as an extruder. The low viscosity polymer product of the claimed invention has surprising toughness and is particularly useful for encapsulation of electronic components.
    Type: Application
    Filed: August 16, 2001
    Publication date: January 31, 2002
    Inventor: Richard Robert Soelch
  • Low viscosity liquid crystalline polymer compositions
    Patent number: 6294618
    Abstract: A liquid crystalline polyesters or poly(ester-amides) having improved melt viscosity, is made by reacting the polymer with limited amounts of a compound containing specified functionality, such as hydroxyl, carboxyl, or amine. The process may be carried out in a typical polymer melt mixing apparatus such as an extruder. The low viscosity polymer product of the claimed invention has surprising toughness and is particularly useful for encapsulation of electronic components.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: September 25, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Richard Robert Soelch
  • Low temperature nylon polymerization process
    Patent number: 5665854
    Abstract: A low temperature process for polymerizing nylon monomers to freely flowing polymers is disclosed. The polymerization process is carried out at lower than conventional polymerization temperatures and produces a freely flowing polymer without thermal degradation.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: September 9, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Leonard Edward Raymond Kosinski, Richard Robert Soelch