Patents by Inventor Manuel J. Lecha

Manuel J. Lecha 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).

  • Process for accelerating the drying of offset inks
    Patent number: 4110118
    Abstract: A method is disclosed for accelerating the drying of offset inks. An additive composition comprising (a) 15 to 85 percent of functional amino polydimethylsiloxane and (b) 85 to 15 percent of a mixture of ethylene oxide and propylene oxide, wherein the ethylene oxide is present in an amount of from 15 to 85 percent with respect to the propylene oxide, is added to an offset printing ink.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: August 29, 1978
    Assignee: Salvat Editores, S. A.
    Inventors: Juan Salvat Dalmau, Manuel J. Lecha