Patents by Inventor Richard Kinseher

Richard Kinseher 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).

  • Patent number: 6503371
    Abstract: Cellulosic fibrids can be made by mixing together under turbulent conditions viscose and a coagulating and regenerating liquor so as to form a suspension of soft macroscopic cellulosic particles in a spent liquor, collecting the particles, and comminuting them to form the fibrids.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: January 7, 2003
    Assignee: Acordis Kelheim GmbH
    Inventors: Richard Kinseher, Andrzej Marek Mackiewicz
  • Patent number: 6451884
    Abstract: Cationic cellulose particles useful in papermaking comprise from greater than 10 up to 50 percent by weight on cellulose of a polymeric amine of weight-average molecular weight in the range from 100,000 to 1,000,000 comprising monomeric units having the formula: —XCR3((CH2)nNR1R2)(CH2)m— where X is selected from the group consisting of a chemical bond, O and NR4; R1 and R2 are the same or different and are selected from the group consisting of H, C1-C4 alkyl, phenyl and phenyl substituted with one, two or three substituents selected from the group consisting of C1-C4 alkyl, C1-C4 alkoxy, F, Cl and Br; R3 and R4 are independently selected from the group consisting of H, methyl and ethyl; m is an integer in the range from 1 to 4; and n is an integer in the range from 0 to 4.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: September 17, 2002
    Assignee: Acordis Kelheim GmbH
    Inventors: Philip Edward Cowen, Richard Kinseher
  • Patent number: 5549861
    Abstract: A process for the production of shaped structures of cellulose, in particular fibers of cellulose, by shaping and subsequent regeneration of water-soluble cellulose derivatives is described. The process employs water-soluble alcohols, water-soluble ketones or, in particular, water or mixtures thereof as solvents for the shaping and carrying out the shaping by a dry shaping process.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: August 27, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Bernd Huber, Richard Kinseher