Patents Represented by Attorney Paul F. Arseneau

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  • Method of deacidifying paper
    Patent number: 3969549
    Abstract: A method of deacidifying paper wherein the paper has a substantially cellulose fiber base or substrate by exposing the paper to the vapors of a volatile organometallic compound and subsequently decomposing said compound to a base or alkaline material in situ. The treated material is usually first dried in vacuo and exposed under anhydrous or nearly anhydrous conditions to the organic-metallic compound. The method has the advantage of being able to treat large quantities of material at any one time.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: July 13, 1976
    Assignee: The United States of America as represented by the Librarian of Congress
    Inventors: John C. Williams, George B. Kelly, Jr.
  • Composition for use in deacidification of paper
    Patent number: 3939091
    Abstract: A composition for use in Deacidification of Paper, which comprises 0.1 to 20% by weight of methyl magnesium carbonate in an organic solvent, where the solvent is not harmful to the paper.
    Type: Grant
    Filed: February 14, 1975
    Date of Patent: February 17, 1976
    Assignee: The United States of America as represented by the Librarian of Congress
    Inventor: George B. Kelly, Jr.