Patents by Inventor Antoine R. Van Rossen

Antoine R. Van Rossen 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).

  • Emulsifier-free latexes and photographic light-sensitive elements containing them
    Patent number: 4245036
    Abstract: A latex is formed of a copolymer of 90 to 98% by weight of ethyl acrylate and 2 to 10% by weight of an ionogenic comonomer. The latter comprises in its structure a polymerizable ethylenically unsaturated bond, a hydrophobic chain comprising at least 8 carbon atoms, and a strong hydrophilic group taken from a sulpho group, a sulphato group or a phosphono group in acid or salt form.Photographic layers are described wherein the above latex is used as plasticizer for gelatin.
    Type: Grant
    Filed: October 19, 1979
    Date of Patent: January 13, 1981
    Assignee: AGFA-GEVAERT N.V.
    Inventors: Walter F. De Winter, Marcel J. Monbaliu, August M. Marien, Antoine R. Van Rossen