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| Number | Title | Issue Date |
| 5153303 | Polyimides prepared from disubstituted aromatic tetracarboxylic acid dianhydrides Fully cyclized polyimides based on aromatic tetracarboxylic acid dianhydrides with substitution in the positions ortho to the bridging moiety and aromatic diamines, exhibiting solubility in organic solvents, increased glass transition temperatures, low co... | 10/06/1992 |
| 5151129 | Process for the production of pigments in the presence of an azo dyestuff A process for the production of a pigment composition comprising precipitating a pigment coupling component from alkaline solution by adding to it an acid, in the presence of a pre-formed, water-soluble azo dyestuff; and subsequently coupling the precipit... | 09/29/1992 |
| 5149841 | N,N,N',N'-tetraclycidyl-4,4'-diaminodiphenylmethanes A process for the preparation of compounds of the formula I ##STR1## in which R is glycidyl, R1 and R3 independently of one another are C1 -C6 alkyl and R2 and R4 independently of one ... | 09/22/1992 |
| 5145944 | Polyether-polyester block copolymers and their use as dispersants Polyether-polyester block copolymers obtainable by anionic copolymerization of a monoepoxy compound with a cyclic anhydride of an aromatic dicarboxylic acid using an alkali metal salt of a polyalkylene glycol or of a polyalkylene glycol monoalkyl ether as... | 09/08/1992 |
| 5143999 | Hardenable mixtures of epoxide resin materials containing polyoxyalkylene-dithiols and polyamines Hardenable mixtures of materials, comprising (a) an epoxide resin, (b) a dithiol of the formula I or II ##STR1## in which the R1 s independently of one another are hydrogen or methyl, x is an integer from 2 to 50 and y is an integer from 1 to ... | 09/01/1992 |
| 5140069 | Tough epoxy casting resins based on polybutadiene-polyoxyalkleneglycol copolymers Curable compositions containing A) an epoxy resin having on average more than one epoxy group per molecule, B) a carboxylic anhydride curing agent for component A) and C) about 5 to 40% by weight, relative to the amount of the components A), B) and C), of a liquid ... | 08/18/1992 |
| 5138078 | Glycidyl esters of tricarboxylic acid adducts A compound of the formula (I) ##STR1## wherein R is hydrogen, methyl of C2 -C5 alkyl and R1 is O-phenylene, a saturated or unsaturated 1,2-cyclohexylene group; a 2,3-bicyclo[2.2.2]-hept-5-enyl group of the formula (II... | 08/11/1992 |
| 5135986 | Stabilized styrene copolymers containing elastomer particles Copolymers of styrene or a-methylstyrene and at least one comonomer, containing crosslinked elastomer particles, can be light-stabilized by modifying the elastomer particles by copolymerization with a suitable derivative of a sterically hindered amine. Th... | 08/04/1992 |
| 5132374 | Expoxide flexibilizers based on polylactone adducts Adducts of the formula I ##STR1## are described in which R1 is an e-valent aliphatic radical after the removal of the functional groups, X is --O--or --NH--, R2 is a d+l-valent carbocyclic-aromatic radical, R3 is hydr... | 07/21/1992 |
| 5130406 | Initiators for materials which can be polymerized cationically Initiator compositions for materials which can be polymerized cationically are described, these containing i) an anhydride of a polycarboxylic acid, a polyisocyanate, a cyclic carbonate, a lactone or a mixture of such compounds, and dissolved therein ii) at le... | 07/14/1992 |
| 5128491 | Process for the preparation of glycidyl ethers of di-secondary alcohols with high monomer content The present invention relates to a process for the preparation of a glycidyl ether of a di-secondary alcohol with a monomer content of about 80% to about 90% of the formula (I) ##STR1## comprising the steps of: (a) reacting a di-secondary alcohol of ... | 07/07/1992 |
| 5126427 | Soluble polyarylene ether sulfones Polyarylene ether sulfones which have a reduced viscosity of 0.1 to 2.0 dl/g, measured at 25° C. in a 1% solution in N-methylpyrrolidone (NMP), and which contain, based on the total number of structural units present in the polyarylene ether sulfone resi... | 06/30/1992 |
| 5120857 | Unsaturated bisimides and polymers thereof Bisimides of the formula I ##STR1## in which, for example, R1 is hydrogen, x is 1, y is zero and R is bis-(1,4-phenylene)-methane are intermediates for the preparation of polymers having excellent physical properties, and are suitable for ... | 06/09/1992 |
| 5120356 | Electrodepositable coating compositions The present invention provides an aqueous coating composition comprising: a) an aqueous electrodepositable film-forming binder; and b) as corrosion inhibitor, an effective amount of the reaction product of i) cinnamaldehyde and ii) an amine having the formula R--(C... | 06/09/1992 |
| 5118346 | Biocidally active compounds Compounds of the formula R1 3Y.sym. R2 X.crclbar. (I) in which the radicals R1 are identical or different and are C2 -C6 alkyl, phenyl, C1 -C2 alkyl-sub... | 06/02/1992 |
| 5116913 | Polyamide-polyimide block copolymers soluble in aprotic dipolar solvents A process for the preparation of crosslinked polymers by heating selected polyamide-polyimide block copolymers having an average molecular weight Mn of 1,000-50,000 is described. In the compounds, at least 10 mol % of alkyl-substituted diaminod... | 05/26/1992 |
| 5116534 | Aqueous emulsions containing antioxidants Storage-stable, non-sedimenting emulsions containing a) 10 to 40% by weight, based on the emulsion, of (A) phenolic antioxidants and antioxidants from the series comprising (B) thiodipropionic acid esters or/and (C) organic phosphites, b) 0.25 to 10% by weight... | 05/26/1992 |
| 5115005 | Phosphinic acid flame retardants Compounds of the formula Ia or Ib ##STR1## in which R1 and R2, independently of one another, are hydrogen, alkyl, cycloalkyl, alkenyl, aryl or aralkyl or, together with the carbon atoms in the -position to the carbonyl gr... | 05/19/1992 |
| 5112440 | Method for making metallic patterns The present invention provides a method for making a metallic pattern on a substrate having a surface comprising bare metal in predetermined areas and metal coated by a resist in remaining areas which comprises (i) protecting the bare metal by coating wit... | 05/12/1992 |
| 5112912 | Process for modifying acrylate copolymers Acrylate copolymers which contain groups are reacted with a 2-hydroxphenylbenzotriazole which contains a carboxyl group. A permanent light stabilization of the acrylate copolymers is thereby achieved. The modified acrylate resins so obtained are particula... | 05/12/1992 |
| 5110633 | Process for coating plastics articles A process for coating a plastics article with a thin layer of noble metal, wherein said plastics article contains a finely particulate, homogenized filler selected from the group consisting of MnO, NiO, Cu2 O, SnO and Bi2 O3 | 05/05/1992 |
| 5106932 | Benzoates containing a substituent having olefinic unsaturation Polymers suitable for use as positive photoresists can be prepared, in the absence or presence of other olefinically unsaturated monomers, from benzoates comprising an olefinic unsaturated substituent and consisting of formula I ##STR1## wherein... | 04/21/1992 |
| 5106718 | Positive photoresist composition containing alkali-soluble phenolic resin, photosensitive quinonediazide compound and sulfonyl containing compound The invention relates to positive photoresists based on alkali-soluble phenolic resin and photosensitive quinonediazide compounds which, by means of particular additives, give relief structures produced therewith an increased stability towards changes due... | 04/21/1992 |
| 5106947 | Curable composition based on cycloaliphatic epoxy resins Curing a curable composition comprising (a) 90 to 50% by weight of a diglycidyl ether of hydrogenated bisphenol A, a diglycidyl ether of hydrogenated bisphenol F, or a mixture thereof, (b) 50 to 10% by weight of a cycloaliphatic epoxy resin consisting of formu... | 04/21/1992 |
| 5102457 | Anticorrosive surface coatings Compounds of formula I: ##STR1## in which R, R1, R2, R3, R4, R5, R6 and R7 are as defined in claim 1, are suitable as corrosion inhibitors in surface coatings for metals.... | 04/07/1992 |
| 5100894 | Open chain rifamycin derivatives Compounds of the general formula: ##STR1## in which R is a lower alkyl group, and R1 is a tri-lower alkylmethylcarbonyl group, the structure elements --A1 --A2 --, A3 --A4 -- or A5 --A... | 03/31/1992 |
| 5100987 | Monoethylenically unsaturated compounds whose polymers are useful as photoinitiators Monethylenically unsaturated compounds whose polymers are useful as polymeric photoinitiators are of formula Ar1 COC(R1)(R2)R3 where R1 is C1 -C10 alkyl or alkoxy, R2 ... | 03/31/1992 |
| 5098945 | 2,4-dimethyl-6-s-alkylphenols A composition containing a) a polystyrene, substituted polystyrene, copolymer or terpolymer of styrene or of a substituted styrene, polycarbonate, polyester-carbonate, polyurethane, polyamide copolyamide, polyacetyl or polyphenylene oxide and b) at least ... | 03/24/1992 |
| 5098527 | Method of making electrically conductive patterns A method of making a pattern on an electrically conductive material such as a printed circuit comprises (i) electrodepositing on an electrically conductive surface a film of an organic polymer having, per average molecule, more than one reactive functiona... | 03/24/1992 |
| 5093530 | 2,4-dimethoxy-4'-hydroxy-benzophenone A synthetic resin based on a polystyrene that can be used as a support for solid phase peptide synthesis and that has been cross-linked with from 0 to 5 mol % of divinyl benzene, characterized in that it has been substituted at benzene rings of its skelet... | 03/03/1992 |
| 5093330 | Staurosporine derivatives substituted at methylamino nitrogen N-substituted derivatives of staurosporine of the general formula [Stau]--N(CH3)--R (I) in which [Stau] represents a residue of the partial formula ##STR1## and R represents a hydrocarbyl radical Ro or ... | 03/03/1992 |
| 5093247 | Phenanthridine derivatives, process for the preparation thereof, and compositions containing them The invention relates to 1,8-dihydroxy-3-methylbenz[b]phenanthridine-7,12-dione and its derivatives of formula I ##STR1## wherein R1 is hydrogen or the radical of formula II ##STR2## and salts of the compound, wherein R1 | 03/03/1992 |
| 5093494 | Flame retardants The present invention provides a melamine phosphonic acid salt of the general formula (I) ##STR1## in which R is hydrogen, methyl or a negative valency bond, and n is 1 when R is hydrogen or methyl, or 2 when R1 is a negative valency bond.... | 03/03/1992 |
| 5091099 | Lubricating oil composition Phosphite-free lubricating oil composition which comprises a) a mineral oil or a synthetic oil or a mixture thereof, and b) a mixture containing at least one aromatic amine of the formula (I), ##STR1## in which R1, R2, R3 | 02/25/1992 |
| 5089400 | Polypeptides and process for the production thereof Recombinant DNA molecules and hosts transformed with them are described which produce polypeptides displaying a human lymphoblastoid interferon activity. There are also provided processes for the preparation of said recombinant DNA molecules, said hosts, ... | 02/18/1992 |
| 5084539 | Unsaturated polymers of heterocyclic olefins Polymers having repeating units of the general formula I ##STR1## where Y and Z are the same or different and each denote --H, --COOR1 or --CON(R2)R3, with the proviso that Y and Z do not both denote --H, or Y and Z t... | 01/28/1992 |
| 5081028 | Preparation of transformed hosts which express binding factor related polypeptides The invention concerns polypeptides related to human immunoglobulin E binding factors (IgE-Bfs), mRNa, DNAs and hybrid vectors coding for said polypeptides, hosts containing said hydrid vectors, processes for the preparation of said polypepties, mRNAs, DN... | 01/14/1992 |
| 5079008 | Transdermal monolith systems The invention relates to a monolith transdermal therapeutic system for the delivery of permeable drugs, especially formoterol, in the form of a matrix system comprising three layers: a) a backing layer which is impermeable to the components of the adhesiv... | 01/07/1992 |
| 5075456 | Substituted, unsaturated, bireactive bicycle imides and the use thereof Imides of the formula I ##STR1## In which R1, R2 and R4 independently of one another are hydrogen or methyl, R3 is a direct bond or a C2 -C20 aliphatic radical which can be interrupted... | 12/24/1991 |
| 5073601 | Composition of butadiene/polar comonomer copolymer, aromatic reactive end group-containing prepolymer and epoxy resin The invention relates to compositions containing A) a liquid copolymer based on butadiene and at least one polar, ethylenically unsaturated comonomer, and B) a polyether prepolymer capped with hydroxyarylcarboxylic or hydroxyaralkylcarboxylic acids, or a ... | 12/17/1991 |
