Patents by Inventor Karl Klemm

Karl Klemm 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).

  • Optical article having an antistatic, antireflection coating and method of manufacturing same
    Patent number: 8007901
    Abstract: An antireflection, antistatic transparent coating for an optical article, comprising at least one electrically conductive layer, wherein said electrically conductive layer contains at least one metal and has a thickness lower than or equal to 1 nm. The invention also relates to a an optical article having two main faces, at least one which being coated with the above antireflection, antistatic transparent coating and a process for depositing the above antireflection, antistatic transparent coating onto said optical article.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: August 30, 2011
    Assignee: Essilor International Compagnie Generale D-Optique
    Inventors: Olivier Beinat, Karl Klemm, Karen West
  • Optical Article Having an Antistatic, Antireflection Coating and Method of Manufacturing Same
    Publication number: 20070166522
    Abstract: An antireflection, antistatic transparent coating for an optical article, comprising at least one electrically conductive layer, wherein said electrically conductive layer contains at least one metal and has a thickness lower than or equal to 1 nm. The invention also relates to a an optical article having two main faces, at least one which being coated with the above antireflection, antistatic transparent coating and a process for depositing the above antireflection, antistatic transparent coating onto said optical article.
    Type: Application
    Filed: December 22, 2006
    Publication date: July 19, 2007
    Applicant: Essilor International (Compagnie Generale d'Optique)
    Inventors: Olivier Beinat, Karl Klemm, Karen West
  • UV-curing printing inks
    Patent number: 4056453
    Abstract: Printing inks which cure under the action of UV radiation. The inks consist ofA. pigmentB. a mixture of benzophenone and Michler's ketone as the photoinitiatorC. a urethane-acrylateD. an epoxy-acrylate and/orE. a N-methylol-acrylamide-ether or N-methylol-methacrylamide-ether.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: November 1, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Barzynski, Guenter Heil, Karl Klemm, Helfrid Sander