Patents by Inventor Wulf von Bonin

Wulf von Bonin 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).

  • Patent number: 5182049
    Abstract: New intumescence media contain ammonium and/or amine salts of acid phosphates of metals of the 2nd and/or 3rd group of the periodic system of the elements and can be employed for a very wide variety of fire prevention purposes.
    Type: Grant
    Filed: July 15, 1991
    Date of Patent: January 26, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 5173515
    Abstract: New particularly effective fire retardent elements based on foams and expandable graphite are characterized in that they additionally contain one or more components from the group consisting of phosphate-containing polyols, borates and amine salts.
    Type: Grant
    Filed: May 10, 1990
    Date of Patent: December 22, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Dietmar Schapel
  • Patent number: 5094780
    Abstract: Novel intumescent mouldings, which can be produced by heating expandable graphites in moulds to temperatures between 150.degree. C. and 350.degree. C. The mouldings can be used, for example, for purposes of preventive fire protection.
    Type: Grant
    Filed: February 27, 1991
    Date of Patent: March 10, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 5053148
    Abstract: Novel heat resistant foams can be obtained by heating metal phosphonates or metal phosphonate precursors to temperatures of above 200.degree. C. They may for example be used as electrical and/or heat insulation materials, in the production of mouldings, as a cavity filler, as carriers for active ingredients and/or as fillers with low bulk densities.
    Type: Grant
    Filed: April 3, 1990
    Date of Patent: October 1, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 5034056
    Abstract: The invention relates to fire protectants containing aluminium hydroxide, which additionally contain natural and/or nearly natural calcium borate, their production and use, and semifinished goods and finished parts containing these fire protectants.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: July 23, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 4992481
    Abstract: The new fire retardant elements are characterized in that they are foam mouldings which are elastic in the moist state and contain a liquid flameproofing impregnation, and the fire retardant elements are protected against moisture loss before installation and solidify on drying after installation. A process for the production of such fire retardant elements and mouldings which comprise such fire retardant elements are likewise described and claimed.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: February 12, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Ulrich von Gizycki
  • Patent number: 4966801
    Abstract: A lightweight composite material is disclosed which comprises three-dimensionally arranged fibers of at least 50 mm length provided in a thermoplast matrix. The thermoplast matrix is thermally treated to form cavities within the matrix.
    Type: Grant
    Filed: November 25, 1988
    Date of Patent: October 30, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Robert Becker, Gerd Goldmann, Ulrich von Gizycki, Wulf von Bonin
  • Patent number: 4857364
    Abstract: The intumescent compositions according to the invention are reaction mixtures which are obtained on mixing and reacting the following components:(A) specific polyether polyols,(B) specific polyester polyols,(C) specific phosphorus-containing polyols,(D) inert desiccants,(E) dehydratable fillers,(F) other inorganic auxiliaries and fillers,(G) catalysts and(H) polyisocyanates.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: August 15, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 4833188
    Abstract: Waterproofing and oil-proofing agents contain A. compounds containing a perfluoroalkyl group, and B. quaternization products of basic fatty acid amides.
    Type: Grant
    Filed: June 2, 1987
    Date of Patent: May 23, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Kortmann, Wulf von Bonin, Friedrich Reich
  • Patent number: 4831062
    Abstract: New intumescent materials can be obtained by reacting polyisocyanates with phosphorus-containing condensation products containing at least two hydroxyl groups, and boron oxides and/or dehydration products of boric acid. They may be used for the production of coatings and building elements.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: May 16, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 4740527
    Abstract: A porous or non-porous intumescent mass comprising one or more carbonization auxiliaries, one or more fillers and optionally one or more other auxiliary agents, produced by the reaction of a polyisocyanate with an isocyanate reactive compound, optionally containing phosphorus or boron, in the presence of polyepoxide. The intumescent mass according to the invention having good fire characteristics and can be used to produce structural elements for fire resistance purposes, fire barriers, textile coatings, linings, laminates and pipe insulators.
    Type: Grant
    Filed: November 7, 1986
    Date of Patent: April 26, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 4729853
    Abstract: Flame-retarding sealing compounds based on hydraulic binders are described which are characterized by a content of dehydratable fillers and melamines.
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: March 8, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventor: Wulf von Bonin
  • Patent number: 4694030
    Abstract: The present invention relates to intumescent polysiloxane molding compositions containing expandable graphite compounds and, if appropriate, additionally nitrogen-containing phosphates.
    Type: Grant
    Filed: January 16, 1987
    Date of Patent: September 15, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Hans Sattlegger, Harold Ebneth
  • Patent number: 4676234
    Abstract: The invention relates to a self-hardening material for supporting bandages which is packaged with exclusion of moisture and consists of an air-permeable, flexible carrier material which is impregnated and/or coated with a compound possessing at least 2 NCO groups. The self-hardening material has a greatly improved shelf life by being stored substantially oxygen-free in an air-tight pack.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: June 30, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Wegner, Gottfried Schneider, Hans-Uwe Lanzke, Wolfram Mayer, Kuno Wagner, Wulf von Bonin, Ulrich von Gizycki, Dietmar Schaepel
  • Patent number: 4659797
    Abstract: Polyurethane-based matrix materials are made by reacting a phenol which is at least bifunctional with an aromatic isocyanate which is at least difunctional in the presence of 1-40 wt. % soft segment former. The soft segment former is a compound containing long chain aliphatic groups having at least six carbon atoms in the aliphatic group, an isocyanate-reactive group and a molecular weight of from 800 to 10,000. From 90 to 130 equivalent percent of isocyanate groups (based on the total of isocyanate-reactive groups present in the phenol and soft segment former) are employed. These matrix materials are particularly useful in the production of composite materials and as adhesives.
    Type: Grant
    Filed: April 2, 1986
    Date of Patent: April 21, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Johannes Blahak, Ulrich von Gizycki, Lothar Preis
  • Patent number: 4600734
    Abstract: Rubber mixtures containing salts of cyanuric acid or cyanuric acid derivatives are suitable for preventive fire protection.
    Type: Grant
    Filed: January 14, 1985
    Date of Patent: July 15, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Gerd Matenar
  • Patent number: 4570622
    Abstract: The present invention relates to a constructional material which is stable in storage and which is kept under moisture-free conditions and which comprises a substrate and a reactive one-component system which hardens on exposure to air by reaction with moisture. The present invention also relates to a process for the production of a constructional material which is stable in storage.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: February 18, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Ulrich von Gizycki, Kuno Wagner, Dietmar Schapel
  • Patent number: 4568391
    Abstract: The invention provides new sizing agents, in particular for paper, which contain chloroformic acid esters of ester alcohols and/or carboxamide alcohols.The chloroformic acid esters in question preferably have the following idealized structure:(RCOX).sub.n R'(OCOCL).sub.m (I)whereinX=an oxygen atom or an NH radical,R=an aliphatic, araliphatic or cycloaliphatic hydrocarbon radical having 8 to 28 carbon atoms,R'=the radical of an (n+m)-functional alcohol or amino alcohol having 2 to 10 carbon atoms, where the functionality refers to the total number of OH and NH.sub.2 groups,n=an integer from 1 to 4, andm=an integer from 1 to 3.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: February 4, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Hans-Ulrich Buschhaus, Ulrich Beck, Heinz Baumgen
  • Patent number: 4529742
    Abstract: The present invention relates to optionally foamed intumescent masses obtained by reacting(1) polyisocyanates with a mixture containing(2) polyethers having an average OH number of from about 150 to 500 and obtained by the chemical addition of alkylene oxides having an ethylene oxide content of from about 50 to 100% by weight to low molecular weight starters, and/or(3) hydroxyl polyesters having an OH number of from about 100 to 350 obtained by the reaction of aliphatic, cycloaliphatic, araliphatic and aromatic polycarboxylic acids having 2 to 10 carbon atoms with at least two polyols selected from two different groups of the three following groups:(a) hydroxyl compounds with a molecular weight of up to about 200 having more than three OH groups,(b) hydroxyl groups with a molecular weight of up to about 150 having three OH groups, and(c) hydroxyl compounds with a molecular weight of up to about 80 having two OH groups, wherein one of the polyols belongs to group (a), and(4) a phosphate of the melamine phospha
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: July 16, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Friedrich Jonas
  • Patent number: 4499153
    Abstract: New products having excellent sizing action, in particular on paper are obtained by reacting .alpha.,.beta.-unsaturated carboxylic acids or their reactive derivatives (such as, for example, esters or anhydrides) with amide-amines of higher carboxylic acids at temperatures above 120.degree. C.The new products are used in size formulations, preferably as aqueous alkaline and, in particular, aqueous ammoniacal, dispersions.
    Type: Grant
    Filed: February 15, 1983
    Date of Patent: February 12, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Peter Mummenhoff, Ulrich Beck, Heinz Baumgen