Patents by Inventor Frank Hill, deceased

Frank Hill, deceased 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 antimicrobial plastics
    Patent number: 6096800
    Abstract: Antimicrobial activity is imparted to the surface(s) of an apparatus or article by polymerizing tert-butylaminoethyl methacrylate in the presence of the apparatus or article by which adhesion of the polymer to the surface(s) is achieved. In a preferred embodiment of the invention the antimicrobial monomer is graft polymerized on the surface(s).
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: August 1, 2000
    Assignee: Huels Aktiengesellschaft
    Inventors: Peter Ottersbach, Frank Hill, deceased, by Friedrich Frank Hill, heir, by Regina Luise Hill, heiress, Christine Anders
  • Article with antimicrobial coating
    Patent number: 5997815
    Abstract: Articles that have an antimicrobial coating containing cyanoethylated hydroxyal-kylcellulose are provided, and their use in fields where preventing microbial contamination is important, such as in the medical field, where it is critical to minimize the spread of microbes that cause infection.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: December 7, 1999
    Assignee: Huels Aktiengesellschaft
    Inventors: Christine Anders, Frank Hill, deceased, by Friedrich Frank Hill, legal representative, by Regina Luise Hill, legal representative
  • Process for the preparation of antimicrobial plastics
    Patent number: 5967714
    Abstract: Antimicrobial activity is imparted to the surface(s) of an apparatus or article by a method, comprising:copolymerizing tertbutylaminoethyl methacrylate with at least one other aliphatically unsaturated monomer in the presence of said apparatus or article by which adhesion of the copolymer to said surface(s) is achieved. In an embodiment of the invention, adhesion of the polymer coating on the apparatus or article occurs by graft copolymerization.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: October 19, 1999
    Assignee: Huels Aktiengesellschaft
    Inventors: Peter Ottersbach, Frank Hill, deceased, by Friedrich Frank Hill, heir, by Regina Luise Hill, heiress, Christine Anders
  • Biohybrid dental implant
    Patent number: 5944524
    Abstract: A dental implant coated with a composition containing desmodontal cells, where the cells are not propagated in vitro prior to being coated on the implant.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: August 31, 1999
    Assignee: Huels Aktiengesellschaft
    Inventors: Frank Hill, deceased, Fritz Schindler, Hugo Haemmerle, Lutz Scheideler