Patents by Inventor Weimer W. White

Weimer W. White 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).

  • Preparation of silver halide emulsions containing iridium
    Patent number: 4902611
    Abstract: Improved reproducibility is obtained when silver halide emulsions containing iridium are prepared using a nitric acid solution of an iridium (IV) salt.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: February 20, 1990
    Inventors: Ingo H. Leubner, Weimer W. White