Patents by Inventor Norbert Adam

Norbert Adam 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).

  • Protection of furniture edging
    Patent number: 5308657
    Abstract: The invention is directed to a process for protecting the edges of a panel by applying a non-sagging polyurethane composition to the edges of said panel, and allowing the composition to cure.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: May 3, 1994
    Assignee: Miles Inc.
    Inventors: Peter H. Markusch, Hans-Joachim Kogelnik, Jeffrey F. Dormish, Norbert Adam
  • Process for the production of foams based on aromatic isocyanates using MG(OH).sub.2 and the foams produced thereby
    Patent number: 4931481
    Abstract: Combustion modified foams are produced by reacting an organic aromatic polyisocyanate with an isocyanate reactive compound in the presence of a blowing agent and Mg(OH).sub.2. The Mg(OH).sub.2 is generally used in a quantity of from 4-100 parts by weight based on the foam taken as 100 parts by weight. Mg(OH).sub.2 having a particle size of from 0.5-50 .mu.m is preferably used. The foams produced by the process are particularly useful in construction applications.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: June 5, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Norbert Adam, Rolf Wiedermann
  • Polyol composition and a process for the preparation of flame-resistant polyurethane foams therefrom
    Patent number: 4767795
    Abstract: Flame resistant polyurethane foams are made by reacting a polyisocyanate with a specific polyol composition. This polyol composition is made up of (a) at least 10 wt. % of a polyether formed by the addition of alkylene oxide(s) to 2,3- and/or 3,4-tolylenediamine having an OH number of from 400 to 520, (b) at least 20-50 wt. % flame retardant containing phosphorus and/or halogen, (c) 5-10 wt. % chain lengthening or cross-linking agent, (d) surface active agents, (e) water and (f) 0-30 wt. % polyhydroxyl compound(s) other than (a) having a molecular weight of from 300 to 10,000.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: August 30, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Norbert Adam, Reinhard Kaufung, Rolf Wiedermann
  • Rigid, closed-cell, flame-resistant polyurethane foams
    Patent number: 4575520
    Abstract: Rigid, closed-cell, flame-resistant polyurethane foams are produced by reacting a polyol mixture with a polyphenyl-polymethylene-polyisocyanate in the present of a catalyst system. The polyol mixture includes: (1) from 25 to 43 wt % flame proofing agent, (2) from 5 to 50 wt % sucrose polyether having an OH number of from 350 to 550, (3) from 0 to 30 wt % amine initiated polyethers having an OH number of from 400 to 800, (4) from 0 to 30 wt % other polyether or polyester having an OH number of from 150 to 600, (5) from 4 to 13 wt % glycerol, (6) from 0.5 to 3 wt % silicone stabilizer and (7) from 0.05 to 1.5 wt % water. The catalyst system is made up of at least two components selected from tertiary amines, alkali metal carboxylates, quaternary ammonium carboxylates and organic tin compounds. The reactants are employed in quantities such that the NCO to OH equivalent ratio is from 1.07 to 1.45 (the isocyanate-index is from 1.07 to 1.45).
    Type: Grant
    Filed: January 16, 1985
    Date of Patent: March 11, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Kapps, Rolf Wiedermann, Norbert Adam, Eckehard Weigand