Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 6110505 | Translucent antacid suspension containing co-dried dihydroxy aluminum sodium carbonate The invention provides an essentially translucent liquid antacid composition with dihydroxyaluminum sodium carbonate (DASC) as the active ingredient. The DASC is prepared by co-drying DASC with a polyol, and the resulting co-dried DASC/polyol is mixed wit... | 08/29/2000 |
| 5994284 | Imidoperoxycarboxylic acids, their use in detergents and cleaning agents Imidoperoxycarboxylic acids, processes for their preparation and their use Imidopercarboxylic acids or salts thereof of the formula ##STR1## in which A denotes a group of the formula ##STR2## n denotes the number 0, 1 or 2, R1 denotes hydr... | 11/30/1999 |
| 5985784 | Catalyst and process for the polymerization and copolymerization of olefins A highly effective catalyst system for the polymerization or copolymerization of olefins comprises at least one metallocene as transition-metal compound and at least one aluminum compound of the formula II ##STR1## and/or of the formula (III) ... | 11/16/1999 |
| 5962359 | Metallocene compound and its use as catalyst component The present invention relates to a multinuclear metallocene compound of the formula I, ##STR1## where M1 is a tetravalent metal, L1 are, independently of one another, identical or different and are each a substituted cyclop... | 10/05/1999 |
| 5944854 | Process for the preparation of triphendioxazine dyestuffs amidated on both sides, and novel triphendioxazine dyestuffs According to the invention, a process for the preparation of triphendioxazines systemetrically or asymmetrically amidated on both sides comprises reducing a triphendioxazine chromophore, which is optionally already amidated on one side, to give the leuco ... | 08/31/1999 |
| 5932768 | Process for the preparation of 4-aminodiphenylamine 4-aminodiphenylamines are prepared by hydrogenating nitrosobenzene or mixtures of nitrosobenzene and nitrobenzene with hydrogen in the presence of bases containing hydroxide, oxide and/or alkoxide groups and heterogeneous catalysts in inert aprotic solven... | 08/03/1999 |
| 5931974 | Deep black dye mixtures of fiber-reactive azo dyes and use thereof for dyeing hydroxy- and/or carboxamido-containing fiber material A dye mixture comprising one or more disazo dyes composed of 1-amino-3,6-disulfo-8-naphthol as the coupling component and of two diazo components of the aniline series containing each a fiber-reactive group of the vinylsulfone series, one or more monoazo ... | 08/03/1999 |
| 5925785 | Secondary and tertiary phosphines and processes for their preparation The invention relates to secondary and tertiary phosphines of the formula ##STR1## in which R is hydrogen, an aryl or benzyl group or a straight-chain or branched alkyl group, n is 1 or 2 and M is potassium or sodium. These phosphines are prepared by reac... | 07/20/1999 |
| 5925791 | Process for producing 4-aminodiphenylamine 4-aminodiphenylamines are produced by hydrogenating nitrobenzene with hydrogen in the presence of bases containing hydroxide and/or oxide groups and heterogeneous catalysts and in the presence of inert aprotic solvents at temperatures of 0 to 200° C. and... | 07/20/1999 |
| 5914369 | Process for the preparation of polyvinyl alcohol The reaction of polyvinyl acetate in methanolic solution with methanolic sodium hydroxide at a temperature between 10° C. and 65° C. with stirring at a stirring speed of from 5 to 200 rpm with a stirrer which has a ratio of stirrer diameter (d) to conta... | 06/22/1999 |
| 5910534 | Stable, aqueous dispersions of copolymers based on conjugated, aliphatic dienes and vinyl aromatic compounds Stable, aqueous dispersions of copolymers based on conjugated, aliphatic dienes and vinyl aromatic compounds are prepared by carrying out the emulsion polymerisation in the presence of water and emulsifiers and in the presence of water-soluble initiators,... | 06/08/1999 |
| 5905133 | Process for the continuous production of thermoplastically processable polyurethanes having improved processing behavior The present invention relates to a process for the continuous production of thermoplastically processable polyurethanes having improved processing behaviour, wherein in a multistep reaction A) one or more linear hydroxyl-terminated polyols a) having a molecula... | 05/18/1999 |
| 5905128 | (CO) polymers based on vinyl units and use thereof in electroluminescent arrangements This invention relates to (co)polymers which contain at least one repeat chain unit of the general formula (1) or (2) and optionally repeat units of the general formula (3), ##STR1## in which L1 and L2 denote a photoluminescent ... | 05/18/1999 |
| 5902903 | Process for purifying tertiary fatty alkylmethylamines In the process described, purification and improvement in odor of, in particular, fatty alkyldimethylamines is achieved by exposing, in the liquid phase, the tertiary amine to be treated to a vacuum or an inert gas stream. By means of the process accordin... | 05/11/1999 |
| 5891975 | (Co)polymers based on vinyl units and use thereof in electroluminescent devices The present invention relates to (co)polymers which contain at least one repeat chain unit of the general formula (1) or (2) and optionally repeat units of the general formula (3), ##STR1## in which L1 and L2 mutually independen... | 04/06/1999 |
| 5891293 | Method of forming foam-fabric laminates In a method for bonding a foam-fabric composite to a molded foam core, particularly suitable for use as an automotive cushion assembly, specific advantageous polymeric MDI-based foams are used to achieve consistently excellent bond strength. In the method... | 04/06/1999 |
| 5886240 | Process for preparing aromatic acetylenes using palladacycles as catalysts The invention relates to a process for preparing aromatic acetylenes of the formula (I): Ar--C.tbd.C--R8a, where Ar is: ##STR1## by reacting haloaromatics or aryl sulfonates of the formula (II): Ar--X, with monosubstituted acetylenes of th... | 03/23/1999 |
| 5880305 | Process for preparation of SioH-functional carbosilane dendrimers The present invention relates to a process for the preparation of SiOH-functional carbosilane dendrimers.... | 03/09/1999 |
| 5874112 | Translucent antacid suspension An essentially translucent antacid composition is formed by an aqueous colloidal aluminum hydroxide gel wherein the average particle size of the aluminum hydroxide is less than about 0.5 microns, preferably less than about 0.1 microns, and more preferably... | 02/23/1999 |
| 5874608 | Process for the preparation of esters of aromatic carboxylic acid The present invention relates to a process for the preparation of compounds of the formula (1) R1 R2 R3 R4 R5 ArCOOR (1) in which R1, R2, R3, R4 and R | 02/23/1999 |
| 5869224 | Processing of reversal materials In reversal processing, washing between the first development and the reversal bath can be avoided without any loss of photographic quality if the reversal bath is operated in countercurrent over at least two stages and hydroquinone sulfonic acid is used ... | 02/09/1999 |
| 5861471 | Polysulphone/polyether block copolycondensates The invention relates to polysulphone/polyether block copolycondensates having the recurring structural unit as in formula (I) --(--O--E--O--Ar1 --SO2 --Ar2 --)--W-- (I) wherein E is a divalent diphenolate radical and W is a po... | 01/19/1999 |
| 5856554 | Process for producing diaryl carbonates The present invention relates to a process for producing diaryl carbonates by the reaction of an aromatic hydroxy compound (e.g. phenol) with carbon monoxide and oxygen in the presence of a catalyst, a co-catalyst, a quaternary salt and a base, which is c... | 01/05/1999 |
| 5856012 | Process for the production of multilayer plastic sheets The invention relates to a process for the production of multilayer plastic sheets from special branched polycarbonates.... | 01/05/1999 |
| 5853461 | Prevention of electrostatic charging of pneumatic tires Aqueous external release agent for pneumatic tires which contains a fatty alcohol polyglycol ether and conductive carbon black, for establishing the electrical resistance of the tire.... | 12/29/1998 |
| 5852159 | Plastic with reduced sulfur uptake rate The present invention relates to plastics comprising a high molecular weight, sterically hindered amine, wherein the sterically hindered amine is at least one amine from the group consisting of I: oligomerized 2,2,4,4-tetramethyl-20(oxiranylmethyl)-7-oxa-... | 12/22/1998 |
| 5852138 | Stabilizer mixtures and their use in polycarbonates The invention provides stabilizer mixtures comprising phosphines, silicon compound and optionally silicon-free oxetane compounds and/or silicon-free epoxide compounds and their use for stabilizing thermoplastic aromatic polycarbonates.... | 12/22/1998 |
| 5852197 | Cyclic disphosphoric esters, a process for their preparation and their use The invention relates to cyclic diphosphoric esters of the formula ##STR1## with R=methylethylene, 1,3-cyclohexylene, 1,4-cyclo-hexylene or 1,3-phenylene, a process for their preparation and their use as flame retardants.... | 12/22/1998 |
| 5849845 | Blends of aromatic polycarbonates and epoxy-functional terpolymers Blends of A) 80 to 99 wt. % of high molecular weight, thermoplastic, aromatic polycarbonate with a molecular weight Mw (weight average) of at least 10,000, which contains bifunctional carbonate structural units of the formula (I), ##STR1##... | 12/15/1998 |
| 5846659 | UV-protected, multilayer polycarbonate sheets The present invention relates to UV-protected, multilayer polycarbonate sheets containing a base sheet, at least one outer layer and optionally at least one additional protective layer, and to the production of the polycarbonate sheets according to the in... | 12/08/1998 |
| 5847184 | Process for preparing phosphorus-containing dicarboxylic acids The present invention relates to a process for preparing of phosphorus-containing dicarboxylic acids of the formula (I) ##STR1## where R1 and R2 are identical or different and are each a straight-chain or branched alkyl radical ... | 12/08/1998 |
| 5840321 | Hydrophilic, highly swellable hydrogels The present invention relates to hydrophilic, highly swellable hydrogels which are coated with nonreactive, water-insoluble waxes in a quantity of from about 0.05 to about 2% by weight, based on uncoated hydrogel.... | 11/24/1998 |
| 5814289 | Process for the peparation of cogranulates comprising aluminosilicates and sodium silicates Cogranulates of high bulk density which easily disintegrate in water and comprise aluminosilicates and crystalline sodium silicates having a layered structure. The aluminosilicates contained therein are those of the formula M2/n O.Al2 | 09/29/1998 |
| 5808122 | Organometallic compound The invention relates to an organometallic compound of the formula I ##STR1## where M is chromium, molybdenum or tungsten, L is a cyclopentadienyl ligand, T is a bridge, A is a cyclopentadienyl ligand or an electron donor and R1 are, indep... | 09/15/1998 |
| 5808116 | Process for the preparation of triphenylemethane coloring agents Triaminotriphenylmethane pigments are prepared by a) first reacting an iron, boron or aluminum trihalide complex compound of a 4,4',4"-trihalotriphenylmethane halide with a salt of an aromatic aminosulfonic acid in a molar ratio of 0.6:1 to 1.4:1 at a temperat... | 09/15/1998 |
| 5804639 | Pigment preparations having a high solids content Pigment preparations having a solids content of greater than 40% comprise, as dispersing agents, polymers having recurring succinyl units, in particular polyaspartic acid.... | 09/08/1998 |
| 5797154 | Contoured pillow The invention provides a pillow to support a user's head and neck and a portion of his upper body during sleep or resting. The pillow has a generally planar lower support surface and an upper support surface. A rear lobe and a front lobe are separated by ... | 08/25/1998 |
| 5795846 | Herbicidal compositions The invention relates to herbicidal compositions comprising: (a) a 4-benzoylisozaxole of formula I: ##STR1## wherein R, R1 and R2 are as defined in the description and (b) a chloroacetamide herbicide.... | 08/18/1998 |
| 5792558 | Process for the electrostatic lacquering of non-conductive surfaces The invention relates to a process for the electrostatic lacquering of non-conductive surfaces. For this purpose, a layer of a conductive organic polymer from the class of the polypyrroles, polyanilines or polythiophenes is applied to the surface and this... | 08/11/1998 |
| 5783651 | Process for the production of poly (diorganosiloxane)/polycarbonate block copolymers The present invention provides a process for the production of poly(diorganosiloxane)/polycarbonate block copolymers in a melt using specific transesterification catalysts.... | 07/21/1998 |
