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DSM N.V. Patents
Assignee:
DSM N.V.
Address:
Heerlen, NL
No. of patents:
417
Patents:


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Patent Number Title Of Patent Date Issued
D410698 Haptonomic instrument for testing the feel of articles made of plastic June 8, 1999
7122253 Curable resin composition, cured film, and composite product October 17, 2006
A curable resin composition comprising (A) reactive particles prepared by bonding (A1) at least one of oxide particles of an element selected from the group consisting of silicon, aluminum, zirconium, titanium, zinc, germanium, indium, tin, antimony, ruthenium, rhenium, silver, nickel,
7109253 Dielectric, radiation-curable coating compositions September 19, 2006
A metal conductor is provided with a cured coating of about 2.5 .mu.m to about 500 .mu.m thickness, which cured coating has a dielectric dissipation factor (60 Hz, 24.degree. C.) of lower than about 0.05 and is a radiation-cured coating formulated from components comprising: a) an ac
7045160 Mucorales fungi for use in preparation of foodstuffs May 16, 2006
The preparation of a proteinaceous substance suitable for use in a foodstuff is described which comprises fungal fells of the order Mucorales. The cells are grown in a fermentor vessel in a liquid which is mixed during fermentation, after which the RNA content of the fungal cells is
6979735 Agglomerates by crystallization December 27, 2005
The present invention describes novel agglomerates in crystalline form of .beta.-lactam compounds. Furthermore, a process for the preparation of said agglomerates, wherein a solution or suspension of at least one .beta.-lactam compound in a solvent is mixed with one or more anti-solv
6955909 Selection marker gene free recombinant strains October 18, 2005
The present invention discloses a selection marker free system which can be used to introduce genetic modifications to in bacteria, yeasts and fungi. The system can be employed to introduce or delete desired genes or DNA fragments in the genome of the indicated host species without leavi
6893679 Process for preparing a composite material by vapor depositing a barrier layer on a substrate May 17, 2005
The invention relates to a composite material and a process for manufacturing the composite material by applying at least a single organic barrier layer to a substrate to reduce the oxygen permeability of the substrate. Depending on the intended application, the composite material ma
6858755 Process for the preparation of urea February 22, 2005
Process for the preparation of urea from ammonia and carbon dioxide, wherein the waste gases released at virtually atmospheric pressure in a urea plant are compressed by an ejector driven by the waste gas from the high-pressure synthesis and are supplied to a medium-pressure absorber.
6852829 Process for the simultaneous preparation of polyamides with at least two different viscosities February 8, 2005
A process for the simultaneous preparation of polyamide-6 with at least two different viscosities comprising prepolymerisation of .epsilon.-caprolactam and/or other polyamide-6 precursors in the presence of water, wherein at least part of the necessary water is supplied to the prepol
6846955 Process for racemising an enantiomer-enriched schiff base of an amino acid amide January 25, 2005
The invention relates to a process for racemising an enantiomer-enriched Schiff base of a primary amino acid amide with a strong base that is chemically reactive towards water. The reaction is conducted in an organic solvent. Preferably a metal alkoxide, a metal alkyl, a metal amide, or
6841691 Process for the preparation of enantiomerically enriched esters and alcohols January 11, 2005
Method for the preparation of an enantiomerically enriched ester, in which a mixture of the enantiomers of the corresponding secondary alcohol is subjected, in the presence of an acyl donor, to an enantioselective conversion in the presence of a racemisation catalyst upon which the ester
6812001 Isolation of carotenoid crystals from microbial biomass November 2, 2004
A process for the isolation of crystalline carotenoid compound from microbial biomass comprising disrupting the microbial cell walls, separating cellular debris from the carotenoid-containing residue, washing one member of the group consisting of the microbial biomass, the disrupted
6806378 Process for preparing nonracemic chiral alcohols October 19, 2004
The present invention provides a catalyst system and a process for the preparation of a nonracemic chiral alcohol by hydrogenation of a ketone using the catalyst system, wherein the catalyst system comprises ruthenium, a nonracemic chiral diphosphine ligand, an amino-thioether ligand
6799568 Process for the preparation of a catalyst component for the polymerization of an olefin October 5, 2004
The invention is directed to a process for the preparation of a catalyst component for the polymerization of an olefin by: a) contacting metallic magnesium with an organic halide RX, where R is an organic group containing up to 20 carbon atoms and X is a halide, whereupon the dissolve
6797804 Antistatic molded article comprising a polyesteramide resin September 28, 2004
An antistatic molded resin article based on polyesteramide has a low resistivity even when a substantive amount of electrically conductive additive is not used. The molded article is prepared by copolymerizing (a) a cyclic amide and (b) linear ester selected from polyesterpolyol, pol
6797740 Radiation curable colored coating composition September 28, 2004
The invention relates to a radiation curable colored coating composition for coloring a coated optical fiber wherein the coating, when disposed and cured to surround an optical fiber coated with an internal coating, and when said colored fiber is coated with a matrix material and assembl
6794542 Method for the preparation of enantiomerically enriched compounds September 21, 2004
Process for the preparation of a diasteromerically enriched phenylglycine amide derivative in which an enantiomerically enriched phenylglycine amide is converted into the corresponding Schiff base with the aid of compound R.sub.2 --C(O)--R.sub.3, and the Schiff base obtained is subsequen
6759556 Process for the production of cyclohexanone oxime July 6, 2004
Process for the production of cyclohexanone oxime in which a phosphate-containing aqueous reaction medium is cycled from a hydroxylammonium synthesis zone to a cyclohexanone oxime synthesis zone and back to the hydroxylammonium synthesis zone, in which hydroxylammonium synthesis zone
6750316 High-molecular polyamide June 15, 2004
The invention relates to a process for preparing a high-molecular polyamide or polyester by melt-mixing polyamide or polyester having a lower molecular weight with a carbonyl bislactam having formula 1, in which n=an integer of between 3 and 15.With the process according to the invention
6750292 Thermoplastic vulcanisate, the thermoplastic vulcanisate containing a foaming agent and foam of June 15, 2004
Thermoplastic vulcanisate containing 5-70 parts by weight semi-crystalline polyolefine, 95-30 parts by weight rubber containing an at least partly vulcanised polymer, which polymer contains ethylene monomeric units, monomeric units derived from an alpha-olefine and monomeric unit derived
6747181 Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of June 8, 2004
The invention relates to a process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a supported nickel catalyst with a nickel content of 10-25 wt. %. This process is by preference used for the hydrogenation of phenyl acetylene in a styrene-cont
6740415 Powder paint binder composition May 25, 2004
The invention relates to a radiation curable powder paint binder composition comprising a radiation curable compound being a mono or multi valent carboxylic ester of a .beta., .gamma., .delta., or .epsilon.-hydroxyalkylamide group containing compound, in which the carboxylic ester is
6730811 Process for the preparation of urea May 4, 2004
The invention relates to a process for the preparation of urea from ammonia and carbon dioxide in which the low-pressure carbamate stream formed in the further upgrading of the urea synthesis solution is stripped in a CO.sub.2 -carbamate stripper in countercurrent contact with CO.sub.2,
6730771 Condensation polymer containing dialkylamide endgroups, process for producing said condensation May 4, 2004
The invention relates to a condensation polymer, as well as to a process for preparation said polymers, having at least one dialkylamide endgroup connected through the polymer backbone to a unit derived from an alkylamide, the connection comprising at least one ester linkage. The pol
6727334 Resin composition and cured product April 27, 2004
The invention relates to a resin composition exhibiting excellent coatability and capable of forming coatings with high hardness, superior scratch resistance, low curling properties, superb adhesion, excellent transparency, and superior coating surface appearance without a wavy stria
6727035 Photocurable liquid resin composition April 27, 2004
The present invention relates to a photocurable liquid resin composition comprising: (A) a cationically polymerizable organic compound; (B) a cationic photopolymerization initiator; (C) an ethylenically unsaturated monomer; (D) a radical photopolymerization initiator; (E) a polyether
6723806 Metal complex containing one or more silsesquioxane ligands April 20, 2004
Metal complex containing one or more silsesquioxane ligands having the formula:wherein Z is a silsesquioxane ligand according to the formula:
6723267 Process of making highly oriented polyolefin fiber April 20, 2004
The invention relates to a highly oriented polyolefin fiber containing polyolefin with an intrinsic viscosity of at least 5 dl/g, which fiber has a tensile strength of at least 26 cN/dtex and a modulus of tension of at least 700 cN/dtex, a process for the preparation thereof and the use
6720169 Process for preparing optically active 2-amino-w-oxoalkanoic acid April 13, 2004
A process is disclosed for preparing an (S)-2-amino-.omega.-oxoalkanoic acid derivative in which the corresponding aldehyde is converted into the corresponding acetal-protected aldehyde, the acetal-protected aldehyde is converted into the corresponding aminonitrile, the aminonitrile is
6714712 Radiation curable coating composition March 30, 2004
The invention relates to a radiation-curable coating, ink or matrix composition comprising: (A) a polyester (meth)acrylate oligomer comprising more than about 1 mole of diacid, (B) optionally, a reactive diluent, and (C) optionally, a photoinitiator,wherein the composition when cure
6710097 Photocurable resin composition and optical parts March 23, 2004
A photocurable resin composition comprising: (A) a urethane (meth)acrylate produced by reacting at least a polyether polyol with a number average molecular weight of 500 or more having an alkyleneoxy structure in the molecule, an organic polyisocyanate compound, and a (meth)acrylate c
6706856 Crystalline melamine and its use in amino-formaldehyde resins March 16, 2004
Multicrystalline melamine powder having a specific area of from 0.7-5 m.sup.2 /g, content of oxygen-containing components of less than 0.7 wt %, an APHA colour less than 17 and a melam content higher than 1.5 wt %. The multicrystalline melamine powder may be used in amino-formaldehyde re
6706153 Process for the separation of a ketoxime or aldoxime from an amide March 16, 2004
The invention relates to a process for the separation of a ketoxime or aldoxime from a ketoxime- or aldoxime-containing amide mixture in which the ketoxime or aldoxime is separated from the amide mixture by distillation. This has proved to be a very simple and direct method for separ
6699452 Process for the separation of a hydroxylammonium salt solution March 2, 2004
Process for the separation of a hydroxylammonium salt solution from an aqueous reaction mixture comprising solid catalyst particles by means of filtration, wherein cake filtration through an asymmetric filter is applied, the asymmetric filter comprising at least two layers having dif
6692857 Process for the production of a composite membrane February 17, 2004
Process for the production of a composite membrane comprising a porous film of a first polymer, the pores of which contain a second polymer, by depositing the second polymer from a solution in the pores of the first polymer, characterized in that the film of the first polymer is contacte
6689462 Process of making high-strength polyethylene fibers February 10, 2004
The invention relates to high-strength polyethylene fibers of mainly ethylene component having an intrinsic viscosity [.eta.], when fibrous, of no less than 5, and having a strength of no less than 20 g/d and an elasticity modulus of no less than 500 g/d, and, in the measurement of the
6686047 Reactive particles, curable composition comprising the same and cured products February 3, 2004
Reactive particles have been invented that may be used for a curable composition exhibiting excellent cured product productivity and capable of forming coatings with high hardness, superior scratch resistance, excellent abrasion resistance, low curling properties, superb adhesion, an
6685869 Resin composition and three-dimensional object February 3, 2004
A photocurable resin composition suitable for use in three-dimensional photofabrication comprising (A) a cationically polymerizable organic compound, (B) a cationic photoinitiator, and (C) a (co)polymer obtainable by (co)polymerization of monomers comprising at least one (meth)acryla
6683151 Supramolecular compound January 27, 2004
The invention relates to a compound comprising a reaction product of (A) an isocyanate functional compound of which at least 40 wt. %, relative to the total amount of (A), has a molecular weight of at least about 500, and (B) a nitrogen-containing compound capable of reacting with said i
6680407 Installation and process for the preparation of urea January 20, 2004
The invention relates to an installation for the preparation of urea from ammonia and carbon dioxide, the installation comprising two reactor sections in a vertically placed combined reactor and a high-pressure condenser section. The installation may comprise a vertically placed comb
6680118 Radiation curable oligomers containing alkoxylated fluorinated polyols January 20, 2004
A radiation-curable composition is disclosed. An fluorinated oligomer is combined with a diluent monomer and a photoinitiator to form the radiation-curable coating composition. The fluorinated oligomer is substantially free of isocyanate groups. The radiation-curable compositions pro
6673423 Information-carrying moulded part January 6, 2004
The invention relates to an information-carrying molded part containing one or more plastic layers, at least one of which bears an informative representation. A `molded part` is understood to be in particular a card such as `smart cards`, key cards, identification cards, telephone cards,
6669889 Process of making high-strength polyethylene fibers December 30, 2003
The invention relates to high-strength polyethylene fibers of mainly ethylene component having an intrinsic viscosity [.eta.], when fibrous, of no less than 5, and having a strength of no less than 20 g/d and an elasticity modulus of no less than 500 g/d, and, in the measurement of the
6664392 Process for the preparation of melamine December 16, 2003
Process for the preparation of melamine comprising a reaction step, a gas/liquid separation step in which a melamine melt is separated from off-gases, a stripping step and a cooling step, in which the stripping step is carried out at a pressure of between 5 MPa and 17 MPa and a tempe
6661959 Radiation-curable optical glass fiber coating compositions, coated optical glass fibers, and opt December 9, 2003
Optical fiber coatings are disclosed having excellent ribbon stripping and adhesion behavior. The coatings are radiation-curable. The excellent stripping and adhesion behavior can be achieved by several means which include by use of additives, by use of radiation-curable oligomers having
6660869 Preparation of an aromatic bisoxazoline December 9, 2003
The invention relates to a process for the preparation of an aromatic bisoxazoline in which, in a first step, an aromatic carboxylic acid or an ester hereof reacts with an alkanolamine, after which the hydroxyalkylamide obtained is in a second step converted into an aromatic bisoxazo
6660857 Process for the preparation of .epsilon.-caprolactam December 9, 2003
A process for the preparation of .epsilon.-caprolactam starting from 6-aminocaproic acid, 6-aminocaproamide, 6-aminocaproic ester, 6-aminocapronitrile, oligomers or polymers of these compounds or mixtures comprising at least two of these compounds, which process is performed in the p
6655081 Mushrooms December 2, 2003
A substrate for mushroom cultivation comprises a polyene fungicide, in particular, natamycin. Mushrooms cultivated in such substrates can be harvested earlier than mushrooms cultivated in substrates which do not include polyene fungicides. Alternatively, mushrooms grown in a substrate
6646080 Coating compositions for plastic substrates November 11, 2003
The present invention provides radiation-curable compositions for coating plastic substrates, wherein the compositions, after cure, have a combination of sufficient adhesion, flexibility, and hardness. The compositions include:(a) metal oxide particles; and(b) a poly(meth)acrylate compou
6645636 Condensation polymer containing esteralkylamide-acid groups November 11, 2003
A condensation polymer, obtained through reaction of an alkanolamide and a cyclic anhydride to form a hydroxyalkylamide, followed by polycondensation of the hydroxyalkylamide, has at least two carboxylic acid end groups connected to an alkylamide groups via an ester linkage. The polymers
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