Patents by Inventor Finn Lennart Marten

Finn Lennart Marten 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).

  • Liquid absorbent composition for nonwoven binder applications
    Patent number: 5693707
    Abstract: An aqueous polymer composition comprising 10 to 40 wt % of a polymer in water, the polymer consisting essentially of 20-90 wt % .alpha.,.beta.-ethylenically unsaturated carboxylic acid monomer, 10-80 wt % one or more softening monomers, the aqueous composition being adjusted to pH 4-6 with alkali metal hydroxide or alkaline earth metal hydroxide and further containing 0.1 to 3 wt % zirconium crosslinking salt. Such aqueous compositions can be applied to nonwoven and woven substrates to make superabsorbent products.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: December 2, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: John Tze-Chiang Cheng, Finn Lennart Marten, Joel Erwin Goldstein, Chung-Ling Mao