Patents by Inventor Otto E. Loeffler

Otto E. Loeffler 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).

  • Functional fluids and lubricants having improved water tolerance
    Patent number: 4579672
    Abstract: There are disclosed functional fluids and lubricating compositions containing a minor amount of an oil-soluble alkoxypolyethyleneoxy acid phosphite ester additive which provides improved water tolerance properties to the compositions.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: April 1, 1986
    Assignees: Exxon Research & Engineering Co., Argus Chemical Corporation
    Inventors: Lawrence R. Brecker, Otto E. Loeffler, Charles Abramoff, William K. Cleveland, Susan J. Wosatka
  • Process for the preparation of thin films of cadmium sulfide and precursor solutions of cadmium ammonia thiocyanate complex useful therein
    Patent number: 4447335
    Abstract: A process is provided for the preparation of thin films of cadmium sulfide by deposition of cadmium sulfide formed in the thermal decomposition of an aqueous solution of cadmium ammonia thiocyanate complex, useful particularly in the preparation of thin cadmium sulfide films on electrically-conductive substrates useful in photovoltaic cells, and on thermally-conductive substrates useful in solar energy absorbers, for energy conversion systems.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: May 8, 1984
    Assignee: Argus Chemical Corporation
    Inventors: Otto E. Loeffler, Nirnal S. Jain, Otto S. Kauder
  • Process for the preparation of thin films of cadmium sulfide and precursor solutions of cadmium ammonia thiocyanate complex useful therein
    Patent number: 4360542
    Abstract: A process is provided for the preparation of thin films of cadmium sulfide by deposition of cadmium sulfide formed in the thermal decomposition of an aqueous solution of cadmium ammonia thiocyanate complex, useful particularly in the preparation of thin cadmium sulfide films on electrically-conductive substrates useful in photovoltaic cells, and on thermally-conductive substrates useful in solar energy absorbers, for energy conversion systems.
    Type: Grant
    Filed: March 31, 1981
    Date of Patent: November 23, 1982
    Assignee: Argus Chemical Corporation
    Inventors: Otto E. Loeffler, Nirmal S. Jain, Otto S. Kauder