Patents Assigned to DSM Resins B.V.
  • Patent number: 5854305
    Abstract: A plugging compound for the chemical fastening of anchor bolts, threaded sleeves and screws in drill-holes, comprising a reactive resin and--spatially separated therefrom--a curing agent for the resin, includes from 0.0005 to 2% by weight of a piperidinyl or tetrahydropyrrolyl nitroxide as inhibitor in the reactive resin.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: December 29, 1998
    Assignee: DSM Resins B.V.
    Inventors: Stefan Schwiegk, Wolfgang Hubinger, Thomas Folda, Peter Ittemann, Willi Riegel, Monika Moench, Peter Mauthe
  • Patent number: 5731366
    Abstract: A plugging compound for chemical fastening technology is based on a free-radically polymerizable resin and a free-radical initiator spatially separated therefrom. The plugging compound in question is a self-supporting and storage-stable material which can be inserted in that form directly into a drill-hole.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: March 24, 1998
    Assignees: DSM Resins B.V., Hilti AG
    Inventors: Monika Moench, Peter Mauthe, Fritz Ziegert, Stefan Schwiegk
  • Patent number: 5212234
    Abstract: The invention relates to a moulding compound based on thermosetting resin material and optionally fibers, fillers, curing catalysts and further usual additives, and is characterized in that the moulding compound comprises a mixture of at least two thermosetting resins of which a first resin is in a partly cured state, and of which a second resin is not, or less than the first resin in a partly cured state.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: May 18, 1993
    Assignee: DSM Resins B.V.
    Inventors: Rene L. E. Van Gasse, Andreas N. J. Verwer
  • Patent number: 5100955
    Abstract: The invention relates to a composition based on an aqueous dispersion of an addition polymer of one or more olefinically unsaturated monomers, emulsion stabilizers and/or emulsifiers and a silicon compound.The addition polymer comprises monomer units containing acid groups and the silicon compound used is an epoxysilane with the formula ##STR1## where R=epoxyalkyl (C.sub.1 -C.sub.4),R.sup.1 =alkyl (C.sub.1 -C.sub.4) or phenyl,R.sup.2 =alkoxy (C.sub.1 -C.sub.4), alkyl (C.sub.1 -C.sub.4) or phenyl,R.sup.3 and R.sup.4 =alkoxy (C.sub.1 -C.sub.4) or OHThe compositon can be applied in adhesives and coatings.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: March 31, 1992
    Assignee: DSM Resins B.V.
    Inventors: Dick A. Pons, Johannes B. Van Hout, Waltherus J. Sep
  • Patent number: 5075398
    Abstract: Thermosetting compositions consist of a homogeneous mixture of an ethylenically unsaturated compound, a bismaleimide compound or a bismaleimide containing composition and an acid compound, with optionally further copolymerizable compounds and usual additives. The thermosetting composition are useful as a coating resin, a laminating resin or for the manufacture of shaped articles.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: December 24, 1991
    Assignee: DSM Resins B.V.
    Inventors: Adrianus J. de Koning, Jacobus Loontjens
  • Patent number: 4927701
    Abstract: The invention relates to a sheet moulding compound (SMC) comprising a basic layer consisting of thermosetting material, fillers, fibres and customary additives, one side of which is provided with two layers, an intermediate layer and a top layer, the intermediate layer of which lies against the basic layer, the intermediate layer comprising at least fibre reinforcement and thermosetting material in a partly cured state and the top layer comprising the same or a different thermosetting material, which is in a cured state to a smaller extent than the first layer. The invention relates also to a sheet-shaped product that can be applied as an upper layer for a moulding compound like a SMC, BMC and DMC, that consists of the above described intermediate layer and top layer.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: May 22, 1990
    Assignee: DSM Resins B.V.
    Inventor: Rene L. E. van Gasse
  • Patent number: 4839438
    Abstract: The invention relates to crystalline unsaturated polyester, consisting of segments derived from a mainly hydroxy-terminated, unsaturated polyester, bound through urethane bonds to units derived from a (poly)isocyanate and further, if desired, in an amount that is at most relatively small, units, bound via urethane bonds, that are derived from a diol containing between 2 and 12 carbon atoms and/or from a diamine containing between 2 and 12 carbon atoms and/or from an alkanolamine containing between 2 and 12 carbon atoms.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: June 13, 1989
    Assignee: DSM Resins B.V.
    Inventors: Johannes T. Evers, Robertus G. Berenbak
  • Patent number: 4782133
    Abstract: The invention relates to compositions containing 80-30 weight % of bismaleimide-compounds, 5-60 weight % maleimide-amide compounds and 1-10 weight % maleic anhydride derivative.The invention further relates to the preparation of such compositions and to homogeneous curable compositions comprising bismaleimide/maleimide-amide/maleic anhydride compositions according to the invention. The obtained copolymers show good chemical resistance and a high HDT (heat distorsion temperature).
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: November 1, 1988
    Assignee: DSM Resins B.V.
    Inventors: Adrianus de Koning, Jacobus A. Loontjens, Hubertus A. M. Mostert, Hubertus A. A. Omloo
  • Patent number: 4766179
    Abstract: The invention relates to a composition comprising(A) 64-4 parts by wt. of a bismaleimide compound, or an isomaleimide isomer thereof, a maleimide-amide compound or an isomaleimide isomer thereof and maleic anhydride compound,(B) 7-77 parts by wt. of one or more ethylenically unsaturated compounds containing 5-50 C-atoms and is characterized in that the composition further comprises(C) 3-60 parts by wt. of one or more compounds from the group of hydroxy-alkylacrylates or amino-alkylacrylates,(D) 1-20 parts by wt. of one or more terminally functional polymers as flexibilizer, with the proviso that the sum, of parts of compounds A, B, C and D amounts to 100.
    Type: Grant
    Filed: May 28, 1986
    Date of Patent: August 23, 1988
    Assignee: DSM Resins B.V.
    Inventor: Adrianus J. De Koning
  • Patent number: 4694033
    Abstract: The present invention relates to resin compositions comprising a mixture of at least two resins, one resin consisting of the reaction product of an epoxidized fatty acid ester of a polyvalent alcohol with a carboxylic acid, and another resin consisting of a carboxylic acid-modified ester of a polyvalent alcohol.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: September 15, 1987
    Assignee: DSM Resins B.V.
    Inventor: Robert van der Linde
  • Patent number: 4686270
    Abstract: Resin compositions comprising two resins A and B, wherein resin A consists of the reaction product of an epoxidized fatty acid ester of a polyvalent alcohol and a monovalent carboxylic acid and resin B consists of a carboxylic acid modified fatty acid ester of a polyvalent alcohol.These resins compositions are suitable for linoleum manufacture.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: August 11, 1987
    Assignee: DSM Resins B.V.
    Inventors: Robert Van der Linde, Johan Rietberg
  • Patent number: 4684706
    Abstract: The invention relates to compositions containing 80-30 wt.-% of bismaleimide-compounds, 5-60 wt.-% maleimide-amide compounds and 1-10 wt.-% of a maleic an hydride derivative. The invention also relates to the preparation of such compositions as well as the homogeneous curable compositions, in a suitable solvent, comprising bismaleimide/maleimide-amide/maleic an hydride. The obtained copolymers show good chemical resistance and a high heat distortion temperature.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: August 4, 1987
    Assignee: DSM Resins B.V.
    Inventors: Adrianus J. de Koning, Jacobus A. Loontjens, Hubertus A. M. Mostert, Hubertus A. A. Omloo
  • Patent number: 4582883
    Abstract: The invention relates to compositions containing 80-30 weight % of bismaleimide-compounds, 5-60 weight % maleimide-amide compounds and 1-10 weight % maleic anhydride derivative. The invention further relates to the preparation of such compositions and to homogeneous curable compositions comprising bismaleimide/maleimide-amide/maleic anhydride compositions according to the invention. The obtained copolymers show good chemical resistance and a high heat distortion temperature.
    Type: Grant
    Filed: September 13, 1984
    Date of Patent: April 15, 1986
    Assignee: DSM Resins B.V.
    Inventors: Adrianus J. de Koning, Jacobus A. Loontjens, Hubertus A. M. Mostert, Hubertus A. A. Omloo
  • Patent number: 4577017
    Abstract: Process for the preparation of an isocyanurate-compound containing isocyanate groups by trimerisation of a diisocyanate in the presence ofa compound having the formula ##STR1## in combination with an organic base, or a compound having the formula ##STR2## where R and R' are chosen from a hydrocarbon radical with 1-10 carbon atoms,--O--R.sub.1, with R.sub.1 being a hydrocarbon radical with 1-10 carbon atoms, andH.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: March 18, 1986
    Assignee: DSM Resins B.V.
    Inventors: Willem J. H. Hupperetz, Johannes A. H. M. Ramakers
  • Patent number: 4528341
    Abstract: An improved carboxyl-group-containing polyester resin composition as described of an aromatic carboxylic acid and an aliphatic diol having the following combination of properties: (a) an acid number between 10 and 26 mg KOH/g, (b) a hydroxyl number that is smaller than 15 mg KOH/g, (c) a theoretical number-average molecular weight between 4,500 and 12,500 and (d) a glass transistion temperature between 40.degree. and 85.degree. C.
    Type: Grant
    Filed: August 8, 1984
    Date of Patent: July 9, 1985
    Assignee: DSM Resins B.V.
    Inventors: Eimbert G. Belder, Robert van der Linde, Jan Schippers
  • Patent number: 4499235
    Abstract: Powdery coating agent, suitable for application in the in-mould coating technique, comprising as the main component, besides a curing catalyst and if desired other additives, a crystalline unsaturated polyester with a melting point of at least 40.degree. C., a degree of unsaturation of between 1 and 5 moles unsaturation per 1000 g polyester and a viscosity in the melt at 120.degree. C. of at least 1 dPa.s.
    Type: Grant
    Filed: September 21, 1983
    Date of Patent: February 12, 1985
    Assignee: DSM Resins B.V.
    Inventors: Andreas N. J. Verwer, Johannes T. M. Evers
  • Patent number: 4497937
    Abstract: Polymers containing organotin compounds having advantageous use as paint binders obtained by reacting a cyclized rubber with organotin compounds of the formula R.sub.3 --Sn--O--Z wherein R represents a hydrocarbon group from 1 to 15 carbon atoms and Z is a phenolate group derived from a phenolic compound having from 6 to 15 carbon atoms. In marine applications paints incorporating such polymers remain un-fouled after extended use and are self-polishing. Such polymers are obtained by reacting cyclized rubber and an organotin compound at an elevated temperature in an inert solvent.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: February 5, 1985
    Assignee: DSM Resins, B.V.
    Inventors: Jacob P. van der Klooster, Johannes P. M. van Oosterbos
  • Patent number: 4471108
    Abstract: An improved carboxyl-group-containing polyester resin composition as described of an aromatic carboxylic acid and an aliphatic diol having the following combination of properties: (a) an acid number between 10 and 26 mg KOH/g, (b) a hydroxyl number that is smaller than 15 mg KOH/g, (c) a theoretical number-average molecular weight between 4,500 and 12,500 and (d) a glass transition temperature between 40 and 85.degree. C.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: September 11, 1984
    Assignee: DSM Resins B.V.
    Inventors: Eimbert G. Belder, Robert Van Der Linde, Jan Schippers
  • Patent number: 4463140
    Abstract: Powder coatings and a powder composition having a valuable combination of characteristics are described, composed of a homogeneous mixture of between 1.9 and 9.0 wt. % of a diglycidyl phthalate and between 91.0 and 98.1 wt. % of a polyester, wherein said polyester has (a) an acid number between 10 and 30 mg KOH/g, (b) a hydroxyl number less than 15 mg KOH/g, (c) a theoretical number-average molecular weight between 3,750 and 12,500 and (d) a glass transition temperature between 48.degree. and 85.degree. C.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: July 31, 1984
    Assignee: DSM Resins B.V.
    Inventors: Eimbert G. Belder, Robert van der Linde, Jan Schippers