Patents by Inventor Emilio Baserga

Emilio Baserga 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).

  • Cationic 1,4-diamino-anthraquinone dyestuffs
    Patent number: 4088661
    Abstract: Disclosed are cationic 1,4-diaminoanthraquinone dyestuffs, free from sulpho groups and containing a quaternary ammonium or protonized tertiary amino group bound to the 1-amino group through a propylene radical, and a xylyl group bound to the 4-amino group.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: May 9, 1978
    Assignee: Sandoz Ltd.
    Inventor: Emilio Baserga
  • Basic anthraquinone dyes, their production and use
    Patent number: 4009189
    Abstract: Basic 4-alkylaminoanthraquinone dyes which bear a non-water-solubilizing substituent in the 2-position and in which the alkyl side-chain in the .alpha.-position to the anthraquinoneamino group is branched, which are useful for the exhaustion dyeing, pad dyeing and printing of textiles which consist wholly or partly of a polyacrylonitrile or acrylonitrile copolymer fiber.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: February 22, 1977
    Assignee: Sandoz Ltd.
    Inventor: Emilio Baserga