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| Number | Title | Issue Date |
| 4001379 | Process of making superfine amorphous high structural silicic acid Superfine amorphous, high structure silicic acid is made by subjecting the components in the precipitation reaction, that is, an acid or acidic substance and an alkali-metal silicate solution to a shearing force during the alkaline phase of the precipitat... | 01/04/1977 |
| 3985862 | Process for the production of sodium perborate Abrasion resistant and coarser sodium perborate tetrahydrate is prepared by reacting an aqueous sodium metaborate solution with aqueous hydrogen peroxide while avoiding free active oxygen and free alkali in the reaction medium. A strongly supersaturated p... | 10/12/1976 |
| 3985571 | Process for the production of Berlin blue Berlin blue is produced by converting (a) calcium ferrocyanide, sodium ferrocyanide or magnesium ferrocyanide with (b) an iron II salt at a pH below 7 to an acidic iron II salt of ferrocyanic acid FeH2 [Fe(CN)6 ]. The calcium or sodi... | 10/12/1976 |
| 3983131 | Process for the production of 1,1'-peroxydicyclohexylamine 1,1'-PEROXYDICYCLOHEXYLAMINE IS PREPARED FROM CYCLOHEXANONE, HYDROGEN PEROXIDE AND AMMONIA IN THE ABSENCE OF CATALYST AND UNDER ANHYDROUS FORM. The ammonia is in gaseous or liquid form.... | 09/28/1976 |
| 3982026 | Silage aid Propylene glycol esters of propionic acid are added to silage to improve the quality thereof.... | 09/21/1976 |
| 3981910 | Sulfur containing trialkoxybenzoylamino carboxylic acids Compounds are prepared of the formula: ##SPC1## Wherein A is a straight or branched chain alkylene or alkylidene radical having 2 to 5 carbon atoms and which is substituted by an alkylthio group having 1 to 4 carbon atoms, a carboxymethyl thio group, a ca... | 09/21/1976 |
| 3980665 | Optically active salt of protected D-penicillamine and L-lysine D,L-penicillamine is converted to D-penicillamine with the aid of L-lysine.... | 09/14/1976 |
| 3980653 | Process for the production of 3,6-bis-(2-methylmercaptoethyl)-2,5-piperazinedione 3,6-BIS-(2-METHYLMERCAPTOETHYL)-2,5-PIPERAZINEDIONE IS PREPARED FROM 5-(2-METHYLMERCAPTOETHYL)-HYDANTOIN IN THE PRESENCE OF WATER AT 100° TO 200°C. at elevated pressure.... | 09/14/1976 |
| 3979290 | Apparatus and process for controlling and regulating the freedom of suspended matter There is provided an apparatus for automatically controlling and regulating the freedom from suspended matter of quiescent reservoir overflow liquid in mechanical separatory processes for liquid-solid phases based on the sedimentation of suspended particl... | 09/07/1976 |
| 3978136 | Process for the production of a catalyst suitable for the oxidation of methanol to formaldehyde Catalysts for the oxidation of methanol to formaldehyde are prepared having an MoO3 :Fe2 O3 weight ratio below 10:1 by coprecipitating dissolved molybdenum and iron compound, mixing up to 90% of titanium dioxide with the c... | 08/31/1976 |
| 3978103 | Sulfur containing organosilicon compounds Sulfur containing organosilicon compounds are prepared having the formula: in which Z is: ##EQU1## where R1 and Ralkyl of 1 to 4 carbon atoms or phenyl andR2 is alkoxy of 1 to 8 carbon atoms, cycloalkoxy of 5 to 8 carbon a... | 08/31/1976 |
| 3978019 | Process for production of deep colored small particle size gas black with low content of extractable matter Deeply colored carbon black having a low content of extractable matter and a primary particle size of about 8-25 nanometers is made by the gas black process using as the carrier gas for the vapors of the carbon black forming oil a hydrogen rich mixture co... | 08/31/1976 |
| 3972873 | Certain pyrido[3,2-e]1,4-diazepinones and derivatives There are prepared compounds of the formula: ##SPC1## Wherein: n is an integer from 1 to 4; R1 is alkyl of 1 to 6 carbon atoms, a hydroxy group, an amino group, an alkoxy group having 1 to 6 carbon atoms, a phenyl group or a phenyl group substi... | 08/03/1976 |
| 3970554 | Process for detoxification of cyanides and nitriles with peroxygen compounds Waste water containing cyanides, cyanohydrins and/or organic nitriles are detoxified by adding a peroxide compound in the presence of iodide ion or free iodine, in a given case in the presence of silver ions.... | 07/20/1976 |
| 3969361 | 2-Benzoyl-3-amino-pyridines There are prepared compounds of the formula ##SPC1## Where R1 is halogen, R2 and R3 are hydrogen, halogen, trifluoromethyl, hydroxy, cyano, lower alkyl or lower alkoxy, R4 is hydrogen or lower alkyl, and R5... | 07/13/1976 |
| 3969353 | Triazinesulfenimides of dicarboxylic acids There are prepared triazine sulphenimides of the formula ##EQU1## in which X is ##EQU2## R1, R2, R3 and R4 are hydrogen or alkyl with 1 to 4 carbon atoms; Y is --CH2 --CH2 --; --C... | 07/13/1976 |
| 3968074 | Reaction product of 4,4-bis-(hydroxymethyl)-cyclohexene compounds with sulfur There are prepared reaction products of a. 4,4-bis-(hydroxymethyl)-cyclohexene compounds of the formula ##EQU1## where R1, R2 and R4 are the same or different and are hydrogen, methyl or phenyl and there is also prese... | 07/06/1976 |
| 3968253 | Feed additive for ruminants N-hydroxymethyl methionine is incorporated in feeds for ruminants.... | 07/06/1976 |
| 3966752 | Resolution of D,L-protected-penicillamine The D-form of an optically active protected penicillamine is prepared by treating a solution of D,L protected penicillamine of the formula: ##EQU1## wherein Ac is formyl, and R1 and R2 are both methyl or are joined together to f... | 06/29/1976 |
| 3964951 | Method of joining stiffening material to shoe upper using ultra high frequency radiation Formable or formed stiffening materials are prepared which are dry and free of fibrous materials and consisting essentially of a thermoplastic synthetic resin containing at least 3 parts of an active substance, preferably carbon black in 100 parts of the ... | 06/22/1976 |
| 3963510 | Process for the production of toned carbon black Carbon black toned with lake forming organic dyes are produced by dispersing the carbon black in an aqueous solution of the dye and the laking agent, for example aluminum sulfate, the dispersion subsequently mixed with stirring with the lake forming agent... | 06/15/1976 |
| 3960766 | Catalyst for the production of pyridine and 3-methylpyridine Catalysts useful in the reaction of acrolein with ammonia to form pyridine and 3-methylpyridine are prepared by heating compounds of Al, F, and O and at least two elements of the second, fourth, fifth and sixth groups of the periodic system with oxygen at... | 06/01/1976 |
| 3961023 | Process for the production of cyanogen chloride and hydrogen chloride Cyanogen chloride and hydrogen chloride are produced by reacting hydrogen cyanide and chlorine, separating from the gaseous mixture on the one hand hydrogen chloride and on the other hand cyanogen chloride which in a given case can also contain chlorine, ... | 06/01/1976 |
| 3959302 | Process for the splitting of the racemate of d-1-phenylpropanolamine The d,1-phenylpropanolamine(norephedrine) racemate is split with optically active thiazolidine-4-carboxylic acids of the formula: ##EQU1## where R1 and R2 are both methyl or are joined together to form the pentamethylene group.... | 05/25/1976 |
| 3957718 | Compositions containing silica, a phenoplast or an aminoplast, and a silane Silica containing mixtures for the improvement of the adhesion of vulcanizable mixtures of natural and/or synthetic rubber to reinforcing fillers or supports of textile and/or metallic fabrics after the vulcanization are prepared that substantially consis... | 05/18/1976 |
| 3956344 | Process for the production of substituted 2-benzoylpyridines 2-BENZOYLPYRIDINE AND ITS DERIVATIVES SUBSTITUTED IN THE PYRIDINE AND/OR BENZENE RING ARE PREPARED BY OXIDIZING WITH HYDROGEN PEROXIDE OR OTHER PEROXIDE A COMPOUND OF THE FORMULA: ##SPC1## Where R1, R2, R3 and R4 | 05/11/1976 |
| 3956491 | Medicine containing the main sapogenin of helleborus The main sapogenin of the roots and rhizomes of Helleborus species is used in medicine, especially to treat ulcers.... | 05/11/1976 |
| 3956304 | Preparation of 2-methyl-4-isopropylidene-2-oxazolin-5-one N-acetyl-DL-penicillamine is prepared from DL-valine by converting the DL-valine into 2-methyl-4-isopropylidene-2-oxazolin-5-one using chloroacetyl chloride at 50° to 150°C. and then converting the 2-methyl-4-isopropylidene-2-oxazolin-5-one into the ... | 05/11/1976 |
| 3954495 | Process for the production of pigments useful for waxless carbon paper Pigment preparations containing carbon black, blue pigment and a wetting agent are prepared having an intimate inseparable mixture based on the total amount of pigment of 60-95 wt. % carbon black pigment and 40 to 5 wt. % blue pigment and based on 100 par... | 05/04/1976 |
| 3954702 | S-triazine derivatives containing naphthylamino groups as polymer stabilizers Triazine derivatives ##EQU1## use as light and heat stabilizers and for improving fatigue properties in rubber vulcanizates have the following composition: A 1,3,5-triazine derivative of the formula wherein X is ##EQU2## --SR6 ... | 05/04/1976 |
| 3952089 | Process for the concentration of hydrogen peroxide Hydrogen peroxide solution is produced by the anthraquinone process as a crude extraction product of over 50% H2 O2, using working solutions having (1) as the reaction carrier quinone derivatives having a molecular weight below 275, ... | 04/20/1976 |
| 3949060 | Process for the production of cyanogen chloride Cyanogen chloride is purified and the service life of activated carbon is increased in the subsequent trimerization of the cyanogen chloride to cyanuric chloride by process comprising reacting hydrogen cyanide with chlorine, in a given case in the presenc... | 04/06/1976 |
| 3947436 | Sulfur containing organo-organooxysilane There are prepared sulfur containing organoorganooxysilanes of the formula A-X-Z where A is R-S--, where R is a triazine or thiodiazole residue, X is a divalent organic residue, Z is -SiR" (OR')2 ; -Si(OR')3 ; -Si(OR')2 -O... | 03/30/1976 |
| 3947552 | Process for the purification of cyanogen chloride Cyanogen chloride is purified and the service life of activated carbon is increased in the subsequent trimerization of the cyanogen chloride to cyanuric chloride by process comprising reacting hydrogen cyanide with chlorine, in a given case in the presenc... | 03/30/1976 |
| 3947464 | Salts of phenylpropanolamine with thiazolidine carboxylic acids The d,l-phenylpropanolamine racemate is split with optically active thiazolidine-4-carboxylic acids of the formula: ##EQU1## where R1 R2 are hydrogen, alkyl of 1 to 8 carbon atoms, cycloalkyl, aryl or alkylene of at least 2 carb... | 03/30/1976 |
| 3945919 | Process for the environmentally favorable destruction of solid and/or liquid cyanide waste Solid and/or liquid cyanide waste is destroyed under environmentally favorable conditions by adding water to the cyanide and heating the mixture at high temperature and with the use of pressure.... | 03/23/1976 |
| 3941717 | Process for the production of a catalyst comprising a novel metal on activated carbon Catalysts of noble metals on activated carbon are subjected to the action of a sulfoxide together with hydrazine or its derivatives. The catalysts are particularly useful in the selective hydrogenation of chloronitro-aromatic compounds.... | 03/02/1976 |
| 3941775 | 6-Aza-3H-1,4-benzodiazepines There are produced 6-aza-3H-1,4-benzodiazepines and 6-aza-1,2-dihydro-3H-1,4-benzodiazepines of the formula: ##SPC1## Wherein R1 is the group --NRa Rb, --NRa Rb Rc or --NRa acyl ... | 03/02/1976 |
| 3938574 | Vulcanizable rubber mixture for tire treads having improved skid resistance A vulcanizable rubber mixture for tire treads containing a rubber, preferably vulcanizable with sulfur, silica filler, plasticizer oil, a sulfur containing organosilane, sulfur and an accelerator comprising one or two polybutadiene rubbers in an amount of... | 02/17/1976 |
| 3933813 | Process for the production of mercaptoethyl containing compounds Compounds having a mercaptoethyl group are prepared by reacting an aqueous thiocyanate solution with ethylene oxide in the presence of an inert water immiscible organic solvent to form ethylene sulfide and then reacting the organic phase with a polar orga... | 01/20/1976 |
