| Patent Number |
Title Of Patent |
Date Issued |
| 4129596 |
Process for the continuous preparation of acetoacetamides |
December 12, 1978 |
| Process for the continuous preparation of acetoacetamides of the general formulain which R represents alkyl radicals having from 1 - 18 carbon atoms, and R' represents hydrogen atoms and radical R, by reaction of diketene in stoichiometric ratio with amines of the general formula H--N--R |
| 4129447 |
Process for the preparation of hydrophobic agents |
December 12, 1978 |
| A process for preparing hydrophobic agents which comprises slaking caustic lime with water containing a protective colloid, a salt of an acid having the formula R(O).sub.a SO.sub.3 H in which R is selected from the group consisting of substituted or unsubstituted monovalent hydrocarbon r |
| 4128516 |
Process for the gentle degasification of coagulation-sensitive PVC latices |
December 5, 1978 |
| In the process for the gentle degasification of coagulation-sensitive PVC latices in a confined space under reduced pressure and stirring at elevated temperatures with steam injection onto the latex surface, the improvement consisting essentially of conducting said degasification at a |
| 4126630 |
Process for preparing oxime containing silicon compounds |
November 21, 1978 |
| A process for preparing oxime containing silicon compounds which comprises reacting an oxime with a silicon compound having at least three nitrogen atoms linked to the same silicon atom through Si--N bonding per molecule. |
| 4125673 |
Process and composition for rendering surfaces hydrophobic and oleophobic |
November 14, 1978 |
| A process for imparting hydrophobic and oleophobic properties to inorganic materials which comprises applying to the inorganic materials a composition containing (a) a solution or dispersion of a fluorine-containing organic polymer or a solution of a water soluble polymer of an unsat |
| 4118357 |
Adhesive aqueous dispersions of polyvinyl alcohol graft polymers with acidic hardeners and proce |
October 3, 1978 |
| An aqueous copolymer adhesive dispersion having a long pot life and giving highly waterproof bonds, comprising an acid hardener of water-soluble acids having pKs of under 0 and an aqueous dispersion of a pre-crosslinked polyvinyl ester grafted onto polyvinyl alcohol, said polyvinyl ester |
| 4113760 |
Preparation of organopolysiloxane polymers |
September 12, 1978 |
| An improved process for converting organopolysiloxane polymers which comprises reacting halosilanes which organopolysiloxanes in the presence of activated charcoal and if desired, an inorganic acid. |
| 4108964 |
Process for the manufacture of silicon dioxide |
August 22, 1978 |
| A process and device for the manufacture of highly disperse silicon dioxide by reacting gaseous organosilanes and other gases that burn with formation of water with oxygen-containing gases in a flame which comprises evaporating the organosilane in an evaporator in such a manner that the |
| 4107002 |
Process for the purification of crude acetic anhydride |
August 15, 1978 |
| A process for the purification of crude acetic anhydride by continuous fractional distillation, which comprises first introducing the anhydride into an evaporator, thereafter removing from the evaporator the non-distillable components contained in the crude anhydride, then introducin |
| 4102970 |
Thermosetting compositions which can be cured to form molded objects or coatings |
July 25, 1978 |
| Thermosetting compositions which can be used to form molded articles and coatings comprising (1) organopolysiloxanes having at least 40 mol percent monoorganosiloxane units and at least 0.1 percent by weight of condensable groups, (2) fillers and/or reinforcing agents, (3) a condensation |
| 4102860 |
Silicon-tin compounds as condensation catalysts in the preparation of organopolysiloxane elastom |
July 25, 1978 |
| Silicon-tin compounds of the formulain which R represents an alkyl or phenyl radical, R.sup.1, R.sup.2 and R.sup.3 are alkyl radicals and a is 0 or 1 and there use as condensation catalysts in the preparation of organopolysiloxane elastomers. |
| 4098985 |
Ester copolymers cross-linkable under acid and alkaline conditions |
July 4, 1978 |
| Ester copolymers cross-linkable under acid, alkaline and heated conditions consisting essentially of a copolymerizate with from 75% to 99% by weight of vinyl and/or acrylic ester monomer units, from 0.2% to 15% by weight of olefinically-unsaturated halotriazine monomer units, from 0.2% t |
| 4098819 |
Process for the production of phosphoric acid-dimethylamide-dichloride or phosphoric acid-bis-(d |
July 4, 1978 |
| Process for the production of phosphoric acid-dimethylamide-dichloride (A) or phosphoric acid-bis-(dimethylamide)-chloride (B) by reacting phosphorus oxychloride and dimethylammonium chloride at elevated temperature under anhydrous conditions, which comprises heating phosphorus oxychlori |
| 4096159 |
Process for controlling the rate of platinum induced addition reaction of silicon bonded hydroge |
June 20, 1978 |
| A process for controlling the rate of addition of silicon bonded hydrogen atoms to organopolysiloxanes containing aliphatic unsaturation which comprises mixing (1) an organopolysiloxane containing silicon bonded hydrogen atoms and/or (2) an organopolysiloxane containing at least 50 s |
| 4094902 |
Process for the manufacture of phosphoric acid-tris-(dimethylamide) |
June 13, 1978 |
| Process for the manufacture of phosphoric acid-tris-(dimethylamide) (C) by reacting phosphorus oxychloride and dimethylamine in a molar ratio of 1 to at least 3, under anhydrous conditions and, optionally, under the application of pressure, which comprises carrying out the reaction in tw |
| 4093791 |
Process for suspension polymerization of vinyl chloride with molecular oxygen |
June 6, 1978 |
| An improvement in the suspension polymerization of a polymerizate containing at least 90% polyvinyl chloride by the steps of mixing monomers selected from the group consisting of vinyl chloride and mixtures of vinyl chloride with up to 10% of olefinically unsaturated compounds copoly |
| 4088625 |
Process for the production of a pulverulent, tricklable mixture of ethylene/vinyl acetate copoly |
May 9, 1978 |
| A process for the production of a pulverulent, tricklable mixture of ethylene/vinyl acetate copolymer and polyvinylchloride comprising the steps of mixing a mixture consisting essentially of (a) an ethylene/vinyl acetate copolymer having an acetate content of from 15% to 75% by weight, |
| 4085087 |
Method of reducing static electricity in plastic compositions and antistatic compositions |
April 18, 1978 |
| A method of reducing the electrostatic charge aquired by a plastic composition by incorporating therein an antistatically effective amount of a mixed oxide of phosphorus and one or more metals selected from the group consisting of silicon, aluminum, titanium and iron, said mixed oxide |
| 4078136 |
Process for the production of a copolymer from a gaseous monomer and a liquid monomer |
March 7, 1978 |
| A process for the production of a copolymer from at least one monomer which is gaseous under the polymerization conditions and at least one monomer that is liquid under the polymerization conditions by copolymerizing the same discontinuously in an aqueous media employing a polymerization |
| 4076868 |
Rendering building materials hydrophobic |
February 28, 1978 |
| A process for simultaneously cleaning and rendering building materials hydrophobic which comprises applying to the surface of the building material a solution of a hydrophobic agent having admixed therewith a filler having a surface area of at least 50 mg.sup.2 /g and after evaporati |
| 4076684 |
Organopolysiloxane compositions and elastomers prepared therefrom |
February 28, 1978 |
| Organopolysiloxane compositions which contain glass fibers having an average length of up to about 0.5 mm. The compositions are flowable in the absence of a solvent and can be cured at room temperature or moderately elevated temperatures to form elastomers having a high tear resistance a |
| 4076672 |
Lubricants for organic fibres |
February 28, 1978 |
| A composition containing a mixture of (a) an aqueous emulsion obtained from the emulsion polymerization of a diorganopolysiloxane having an average viscosity of at least 20,000 cSt at 25.degree. C and component (b) which is selected from the class consisting of (i) a paraffin wax, (ii) a |
| 4073779 |
Hydrolysis-resistant, film-forming copolymer dispersions |
February 14, 1978 |
| A hydrolysis-resistant, film-forming, aqueous dispersion of a copolymer consisting essentially of(a) from 5% to 50% by weight of ethylene units,(b) from 10% to 60% by weight of vinyl alkanoate units having from 1 to 14 carbon atoms in the alkanoate moiety,(c) from 20% to 70% by weight of vin |
| 4072655 |
Organosilicon compounds as additives for curable organopolysiloxane compositions |
February 7, 1978 |
| Organosilicon compounds having at least one hydrocarbon radical linked to at least 75 percent of the silicon atoms via an oxygen atom in which the hydrocarbon radical has at least one hydroxyl group and may be linked again to the same silicon atom or to another silicon atom via an oxygen |
| 4072580 |
Process for recovering water-miscible solvents |
February 7, 1978 |
| A water-miscible organic solvent is recovered from a mixture containing the solvent and water by adding an inert compound which is immiscible with the water and has a vapor pressure of no more than 5 mm Hg (abs.) at 100.degree. C. to the mixture and thereafter distilling off the organic |
| 4063958 |
Hydrophobic compositions |
December 20, 1977 |
| The invention relates to hydrophobic compositions and to a method for preparing hydrophobic compositions by mixing an aqueous suspension of finely divided solids containing dissolved salts of metals with an aqueous solution of alkali metal organosiliconates to form substantially water |
| 4062715 |
Adhesive composition and method for bonding polyolefin surfaces with metal surfaces |
December 13, 1977 |
| An adhesion assistant or binder composition for bonding polyolefin surfaces with metal surfaces comprising an aqueous dispersion of an ethylene/vinyl acetate copolymer from 0.5 to 5 parts by weight based on 100 parts of the copolymer of a cross-linking peroxide compound and from 1 to 10 |
| 4059661 |
Manufacture of polyvinyl chloride foams |
November 22, 1977 |
| A process is provided for preparing soft polyvinyl chloride foam by agitating a foamable plastisol at high speed and under pressure. |
| 4059559 |
Process for preparing N-triorganosilylcarbamide acid esters |
November 22, 1977 |
| An improved process for preparing N-triorganosilylcarbamide acid esters by reacting in the substantial absence of a solvent a carbamide acid ester having two hydrogen atoms linked to the nitrogen atom with a hexaorganodisilazane and a triorganohalosilane and thereafter separating the |
| 4053494 |
Preparation of organopolysiloxanes |
October 11, 1977 |
| A process for preparing organopolysiloxanes by the condensation and/or equilibration of an organosilicon compound containing silicon-bonded oxygen atoms in the presence of a phosphoronitrile chloride and an aryl compound having one or two hydroxy groups linked to the aryl radical. |
| 4051454 |
Adhesive compositions and flexible heating device fabricated therewith |
September 27, 1977 |
| The invention relates to adhesive compositions comprising vinyl containing organopolysiloxanes, organopolysiloxanes having Si-bonded hydrogen atoms and catalysts which promote the addition of the Si-bonded hydrogen atoms to the vinyl groups.These adhesives may be combined with other elec |
| 4048192 |
Water-dilutable tetrapolymers of vinyl acetate, maleic diesters, crotonic acid and hydrophilic u |
September 13, 1977 |
| A vinyl acetate copolymerizate of monomers being a free-radical polymerized copolymerizate having monomer units consisting essentially ofA. from 60% to 80% by weight of vinyl acetate units,B. from 10% to 20% by weight of units of a maleic acid diester with a straight-chained alkanol-1 having |
| 4045602 |
Adhesion of organopolysiloxane elastomers to substrates |
August 30, 1977 |
| A process for improving the adhesion of an organopolysiloxane elastomer to a substrate which comprises (1) coating the substrate with a copolymer containing (a) 2-hydroxypropyl acrylate and/or 2-hydroxypropyl methacrylate and (b) at least one olefinically unsaturated monomer, (2) app |
| 4044197 |
Thermally self-cross-linkable ethylene/vinyl acetate copolymers |
August 23, 1977 |
| A thermally self-cross-linkable ethylene/vinyl acetate copolymer consisting essentially of the following monomer units:A. from 5 to 50% by weight of ethylene,B. from 30 to 87% by weight of vinyl acetate,C. from 2 to 10% by weight of a copolymerizable compound containing an N-methylol group,D |
| 4043962 |
Particulated rubber and plastics coverings and binders therefor |
August 23, 1977 |
| A readily dryable adhesive binder for particulated rubber and/or plastics compositions comprising from 1% to 10% by weight of a water-solubleformaldehyde polycondensation resin, from 0.5% to 5% by weight of formaldehyde or a compound liberating formaldehyde, and from 85% to 98.5% by |
| 4036867 |
Organo-aluminum-silicon reducing agents and process |
July 19, 1977 |
| Organo-aluminum-silicon reducing agents reaction product of a dialkyl aluminum hydride with a polysiloxane having a viscosity of from 5 to 100 cSt (25.degree. C) and siloxane units having the formula ##STR1## in a molar ratio of from 0.8 to 2 mols of said siloxane units per mol of |
| 4035453 |
Dental impression materials |
July 12, 1977 |
| The invention relates to a method for preparing a dental impression which comprises applying a dental impression material to a tooth of which an impression is to be taken, curing the material and thereafter removing the resulting impression from the tooth, said dental impression material |
| 4035329 |
Process for the continuous production of an ethylene/vinyl acetate copolymer dispersion |
July 12, 1977 |
| A process for the continuous manufacture of an aqueous ethylene/vinyl acetate copolymer dispersion which comprises continuously copolymerizing ethylene and vinyl acetate and optionally other .alpha.-olefinically unsaturated monomers, in an aqueous emulsion in the presence of an emuls |
| 4034051 |
Stabilization of perchloroethylene |
July 5, 1977 |
| This invention relates to an improved stabilization of perchloroethylene by adding thereto a mixture of from 0.001% to 0.01% by weight of a possibly alkylated N-alkyl-morpholine and from 0.001% to 0.01% by weight of an alkylphenol; as well as the so-stabilized perchloroethylene. |
| 4032557 |
Process for preparing organosiloxanes |
June 28, 1977 |
| An improved process for preparing organosiloxanes and alkyl halides by passing organohalosilanes and alkanols having 1 and/or 2 carbon atoms through at least one layer of packing material which is maintained at a temperature of from 60.degree. to 150.degree. C, the improvement which |
| 4029864 |
Catalyst and process for the manufacture of polyethylene |
June 14, 1977 |
| Improved catalyst and method for the manufacture of polyethylene comprising a catalyst based on a solid substance containing titanium, magnesium and chlorine activated by aluminum alkyls or reaction products of dialkyl aluminum hydrides with diolefins having from 4 to 20 carbon atoms, an |
| 4013611 |
Process for preparing elastomers |
March 22, 1977 |
| An improved process for preparing compositions capable of being converted into elastomers containing (A) triorganosiloxy-terminated diorganopolysiloxanes having at least one vinyl group in each terminal unit, (B) triorganosiloxy-terminated organopolysiloxanes containing organohydroge |
| 4008260 |
Process for preparing cobalt(III)acetylacetonate |
February 15, 1977 |
| Process for preparing cobalt(III)acetylacetonate comprising the steps of adding to cobalt(II)acetylacetonate in an organic solvent, at least the stoichiometric amount of acetylacetone, oxidizing with an excess of hydrogen peroxide, and separating the obtained cobalt(III)acetylacetonate |
| 4008198 |
Process for preparing highly transparent elastomers |
February 15, 1977 |
| Highly transparent or optically clear elastomers are prepared by mixing (1) a nitrogen containing compound having at least one triorganosilyl group in which at least one nitrogen atom is linked either directly to a silicon atom or via an oxygen atom, but no more than one triorganosilyl g |
| 4006201 |
Process for the production of polyvinyl chloride graft copolymers |
February 1, 1977 |
| A process for the production of polyvinyl chloride graft copolymers from ethylene/vinyl acetate copolymers and vinyl chloride by graft polymerization in the aqueous phase consisting essentially of adding a water-soluble, free-radical-forming polymerization catalyst to an aqueous disp |
| 4005120 |
Process for making dialkoxiboracetylacetonate containing mixtures |
January 25, 1977 |
| Process for making Dialkoxiboracetylacetonate containing mixtures of the general formula ##STR1## wherein R represents an aliphatic, straight or branched chain, saturated or unsaturated radical with 1-8 carbon atoms, by reacting boric acid trialkyl esters of the general formula B |
| 3998706 |
Process for the separation of chlorohydrocarbons from lower boiling impurities |
December 21, 1976 |
| A process for separating lower-boiling chlorohydrocarbons and water from neutralized crude chlorohydrocarbons having at least two carbon atoms, which comprises fractionally distilling the crude chlorohydrocarbons in a fractionating column, thereby obtaining a fraction A containing the |
| 3997550 |
Method for the purification of 2-aminothiazole |
December 14, 1976 |
| A method for the purification of crude 2-aminothiazole comprising subjecting an aqueous melt of crude 2-aminothiazole to a vacuum distillation in the presence of a trialkyl borate and fractional solidification of the ensuing vapors. |
| 3996173 |
Impact resistant thermoplastic PVC molding composition |
December 7, 1976 |
| An impact resistant thermoplastic molding composition comprisingA. 80% to 98% by weight of polyvinyl chloride,B. 2% to 20% by weight of a modifying resin for improving the impact strength, characterized by an additional content of,C. 2% to 30% by weight, based on PVC, of a coated calcium carbona |
| 3993559 |
Process for eliminating reactive chlorinated organic compounds from aqueous solutions |
November 23, 1976 |
| Process for eliminating reactive chlorinated organic compounds from aqueous solutions, especially waste waters, which comprises treating the waters at 70.degree.-300.degree. C, preferably 100.degree.-160.degree. C, with ammonia or compounds splitting off the same, and/or primary amines o |
