| Patent Number |
Title Of Patent |
Date Issued |
| 5194393 |
Optical biosensor and method of use |
March 16, 1993 |
| The present invention relates to a sensor with a novel construction for a detection method of molecules labelled with fluorescent dye for detecting these dissolved substances or analytes by energy transfer with a simple fluorescence technique and increased sensitivity in the detection as |
| 4389472 |
Process for the production of documents which cannot be falsified |
June 21, 1983 |
| The process relates to the production of tamperproof documents by laminating an information carrier on one or both sides with foils which have an adhesive layer which is hardened by radical cross-linking. |
| 4339566 |
Water-dispersible, radiation-crosslinkable binding agents from urethane acrylates, a process for |
July 13, 1982 |
| A water-dispersible urethane acrylate binding agent which comprises a reaction product of: (A) 1 gram equivalent NCO of a di- or tri-isocyanate; (B) from 0 to 0.7 gram equivalent OH of a polyol, free of organically bound sulphur; (C) from 0.1 to 0.7 gram equivalent OH of a hydroxy-(C |
| 4308394 |
Aryl-glyoxyloyloxyalkylacrylates |
December 29, 1981 |
| Compounds added to initiate photopolymerization of monomers to produce polymeric coatings include compounds of the formula ##STR1## wherein Ar is phenyl or naphthyl,R is hydrogen, alkyl with 1-4 carbon atoms, alkoxy with 1-4 carbon atoms, halogen, dialkylamino with 1-4 carbon atoms i |
| 4302484 |
Polymers crosslinkable by electron beams |
November 24, 1981 |
| Resist lacquers crosslinking under the influence of electron beams of which the active constituents is a copolymer of (A) 10 to 90 moles of a C.sub.1 -C.sub.20 alkyl ester of acrylic acid and/or methacrylic acid; (B) 0 to 50 moles and, preferably 10 to 50 moles, of a hydroxyl-group-conta |
| 4299755 |
Non-aqueous dispersions of water-soluble polymers |
November 10, 1981 |
| Stable non-aqueous dispersions having a high solids content which can rapidly be dissolved in water without forming lumps consist of water-soluble polymers, dispersing oil, sorbitan fatty acid esters and ehtoxylation products of fatty acids and/or fatty alcohols. The dispersions may |
| 4284621 |
Agents for protection against light |
August 18, 1981 |
| The invention concerns agents for protecting the skin against UV-radiation, said agents comprising an oil or wax having dissolved therein a compound of the formula ##STR1## in which R is an n-hexyl, n-octyl or n-decyl radical or a primary isoalkyl radical with 9 or 10 carbon atom |
| 4279718 |
Aryl-glyoxyloyloxyalkylacrylates and their use in photopolymerizable binders |
July 21, 1981 |
| Compounds added to initiate photopolymerization of monomers to produce polymeric coatings include compounds of the formula ##STR1## wherein Ar is phenyl or naphthyl,R is hydrogen, alkyl with 1-4 carbon atoms, alkoxy with 1-4 carbon atoms, halogen, dialkylamino with 1-4 carbon atoms i |
| 4262082 |
Positive electron beam resists |
April 14, 1981 |
| A positive electron beam resist lacquer binder which comprises polymerized or copolymerized units of: (A) 0 to 95 mol-% of at least one alkyl ester of methacrylic acid having from 1 to 20 carbon atoms in the alkyl moiety; (B) 5 to 100 mol-% of at least one monomer corresponding to Formul |
| 4253918 |
Air-drying coating compositions |
March 3, 1981 |
| Air-drying unsaturated coating compositions are obtained by reacting at least 60% of the epoxide groups of a polyepoxid with more than one epoxid group per molecule(a) with 0.01 to 0.5 NH-equivalents, based on one epoxide group of ammonia, an aliphatic or cycloaliphatic primary or second |
| 4252652 |
Process of using a semi-permeable membrane of acrylonitrile copolymers |
February 24, 1981 |
| A disulphimide group-containing acrylonitrile copolymer semi-permeable membrane which comprises:(A) from 99 to 50% by weight of acrylonitrile units;(B) from 1 to 50% by weight of units of an acrylonitrile-copolymerizable ethylenically unsaturated monomer containing one or two disulphimide |
| 4244863 |
Preparation of pigment concentrates |
January 13, 1981 |
| The application relates to a process for the preparation of pigment concentrates, preferably pulverulent pigment concentrates, which is characterized in that the polymer present in an intimate mixture, free from non-ionic surface-active agents, of an aqueous pigment suspension and an |
| 4235768 |
Production of readily dispersible titanium dioxide pigments |
November 25, 1980 |
| In the homogeneous coating of a titanium dioxide pigment with an organic polymer in which an aqueous solution of a polymer containing carboxyl groups is added to a dispersion of titanium dioxide in water, the polymer is applied to the pigment, the coated pigment is separated off from the |
| 4225695 |
Radiation-hardenable binders based on thio-polyols |
September 30, 1980 |
| A radiation-hardenable binder consisting of a reaction product of:(A) 1 gramme equivalent of NCO of a polyisocyanate containing 2 to 3 isocyanate groups per molecule,(B) 0 to 0.7 gramme equivalents of OH of a polyol containing at least 2 OH-groups per molecule, free from organically combined |
| 4221645 |
Polycarbonates with end groups containing double bonds which can be crosslinked by UV light |
September 9, 1980 |
| High molecular weight aromatic polycarbonates having molecular weights M.sub.w (weight average) of between about 10,000 and 200,000, which are based on diphenols and monofunctional chain stoppers, which correspond to the general formula ##STR1## in which Z denotes the radical of |
| 4219674 |
Peroxide initiators |
August 26, 1980 |
| Mixtures active as initiators for radical polymerization reactions comprising(1) from 1 to 99% by weight of a substituted diphenyl ethane; and(2) from 99 to 1% by weight of an organic peroxide,and a process for desensitizing organic peroxides. |
| 4219626 |
Accelerators for radical polymerization reactions with initiators free from peroxide groups |
August 26, 1980 |
| Amines, amides and amidines work as accelerators for polymerization reactions with initiators of the 1.2-diphenyl ethane type. |
| 4211751 |
Use of an apparatus for continuous photopolymerization |
July 8, 1980 |
| For photopolymerization, glass cylinders through which a mechanically stirred stream of ethylinically unsaturated monomeric material continually flows are irradiated from the exterior with light which initiates polymerization. |
| 4182829 |
Impression materials for dentistry |
January 8, 1980 |
| The invention provides impression materials for use in dentistry comprising the reaction product of (a) a diisocyanate or triisocyanate, (b) a dihydroxy compound having a molecular weight of from 300 to 10,000 and (c) an unsaturated monohydroxy compound. The invention also includes proce |
| 4180474 |
Radiation-hardenable diluents for radiation-hardenable compositions |
December 25, 1979 |
| Radiation-crosslinkable diluents for radiation-hardenable compositions (binders) consisting of a mixture of triacrylates of a reaction product of trimethylol propane and ethylene oxide with an average degree of ethoxylation of from 2.5 to 4, the ethoxylated trimethylol propane being |
| 4179478 |
Process for the production of binders |
December 18, 1979 |
| An improved process for the production of lacquer binders from 1,2-polyepoxides having more than one 1,2-epoxide group per molecule, comprising the steps of:(a) reacting the 1,2-polyepoxide with from 0.01 to 0.6 NH-equivalents, based on one epoxide equivalent, of an optionally substitute |
| 4162274 |
Crosslinkable urethane resins containing vinyl and carboxyl groups |
July 24, 1979 |
| A crosslinkable, especially photopolymerizable urethane resin soluble in organic solvent, suitable as starting materials for photoresist lacquers and for the production of photopolymer printing plates comprising a reaction product of a polyepoxide having more than one 1,2-epoxide group |
| 4145507 |
Reaction mixtures, processes for their preparation and their use as polymerization initiators |
March 20, 1979 |
| Mixtures obtained by reaction of an .alpha.-arylketone or of an arylaldehyde and the equivalent amount of a base metal in an inert aprotic solvent with a di-, tri- or tetrachlorosilane or a chlorinated polyorganosilane or -siloxane work as initiators for free radical-initiated polyme |
| 4141806 |
Bulk photo polymerization process for esters of acrylic and methacrylic acids |
February 27, 1979 |
| Ethylenically unsaturated monomers are polymerized in bulk in the presence of from 0 to 10% by weight of a photoinitiator by irradiation of UV light(a) in a first reaction stage at or below the boiling point of the reaction mixture, up to a conversion of 40 - 80% by weight, and(b) in a secon |
| 4140673 |
Piperidine derivatives as light stabilizers |
February 20, 1979 |
| Piperidine derivatives of formula ##STR1## can be prepared by reacting 4-amino-piperidine with for example enolic ethers. The compounds obtained may be used as stabilizers. |
