Patents Represented by Attorney Alvin Isaac, Esq.
  • Patent number: 6537665
    Abstract: A hydrophilic powder such as silica, adapted for dispersion in organic solvents and polymers, is provided with a coating over the outer surface of the powder particles to modify the surface characteristic from polar to non-polar or organophilic, whereby the thus coated powder is readily dispersible without agglomeration or enlargement of the powder particles. Preferred are nano-sized powders.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: March 25, 2003
    Assignee: Nyacol Nano Technologies, Inc.
    Inventors: Thomas O'Connor, Robert J. Nehring, Jr., R. Andrew Russell
  • Patent number: 5817413
    Abstract: A high shear adhesive tape having an adhesive layer containing a rubber mix and at least one tackifier agent, the rubber mix including an effective amount of a crosslinked halogenated butyl rubber, the remaining rubber in the mix being non-crosslinked, the non-crosslinked rubber preferably being butyl rubber, the adhesive layer further being characterized as being free of any crosslinking agent for the remaining rubber in the mix; and pipewrap systems employing this tape.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: October 6, 1998
    Assignee: Nyacol Products, Inc.
    Inventors: Elwyn G. Huddleston, Scott C. Barnes, Rosana Bianchini