Patents by Inventor Howard J. Penn

Howard J. Penn 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).

  • Adhesive for solar control film
    Patent number: 4429005
    Abstract: A water-activatable adhesive useful for adhering a solar film, polyester (polyethylene terephthalate) film, to glass or to metal substrates. The adhesive comprises the reacted product of (A) gamma-isocyanatopropyltriethoxy silane, containing a free isocyanate (NCO) group, and (B) a thermoplastic polyester formed by reacting (i) a dibasic acid selected from the group consisting of terephthalic acid, isophthalic acid and hexahydrophthalic acid, and mixtures thereof, with (ii) a polymethylene glycol of the formula HO(CH.sub.2).sub.x OH where x is an integer from 2 to 10, neopentyl glycol and glycerin, and mixtures thereof, and (iii) an aliphatic dibasic acid selected from the group consisting of those having the formula HOOC(CH.sub.2).sub.n COOH where n is an integer from 1 to 8, and mixtures of such acids, whereby substantially no free NCO remains in the adhesive.Solar film is used for absorbing and/or reflecting solar radiation.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: January 31, 1984
    Assignee: Morton Thiokol, Inc.
    Inventor: Howard J. Penn