| Patent Number |
Title Of Patent |
Date Issued |
| 3992428 |
Process for preparing bis-(trimethylsilyl-)urea |
November 16, 1976 |
| An improved process for preparing bis-(trimethylsilyl-)urea which comprises reacting urea with hexamethyldisilazane in the presence of a catalytic amount of salts selected from the class consisting of ammonia, basic amine comounds and quaternary ammonium hydroxides. |
| 3991259 |
Catalyst and process for the preparation of low-pressure polyethylene |
November 9, 1976 |
| A catalyst for the preparation of low-pressure polyethylene comprising the reaction product, at a temperature of from 0.degree. to 100.degree. C, of(A) a reaction product of a dialkyl aluminum hydride with a polysiloxane having a viscosity of from 5 to 100 cSt (25.degree. C) and siloxane uni |
| 3983272 |
Method for improving the lubricating properties and imparting antistatic properties to organic f |
September 28, 1976 |
| A method for improving the lubricity and antistatic properties of organic fibers comprising coating the fibers with a composition containing a diorganopolysiloxane, a phosphorous compound capable of imparting antistatic properties to the fibers, and, if desired, paraffin waxes. |
| 3972943 |
Process for preparing alkaliacetylacetonates |
August 3, 1976 |
| A process for preparing alkaliacetylacetonates from acetylacetone and alkali hydroxide, which consists of slowly adding an aqueous alkali hydroxide solution to an at least stoichiometric amount of acetylacetone dissolved in acetone, while stirring; dissipating the generated reaction |
| 3969328 |
Copolymers of vinyl chloride and 2-hydroxypropyl-alkyl maleate |
July 13, 1976 |
| Copolymers of vinyl chloride and 2-hydroxypropyl-alkyl maleate and/or fumarate consisting of a copolymer with from 65% to 95% by weight of vinyl chloride monomer units and from 5% to 35% by weight of 2-hydroxypropyl-alkyl maleate and/or fumarate monomer units, where alkyl has from 8 |
| 3960986 |
Impact-resistant molding compositions containing polyvinyl chloride |
June 1, 1976 |
| Impact-resistant molding compositions consisting essentially ofA. from 20% to 80% by weight of polyvinyl chloride having a K-value of from 55 to 70,B. from 19.5% to 75% by weight of a vinyl chloride grafted copolymer of ethylene and vinyl acetate, said copolymer having from 30% to 55% by |
| 3960909 |
Process for preparing palladium(II)acetylacetonate |
June 1, 1976 |
| A process for preparing palladium(II)acetylacetonate having a low content in organically linked chlorine by reaction of acetylacetone with palladium dichloride or the complex tetrachloropalladinates derived therefrom, which comprises dissolving the starting palladium dichloride compound |
| 3959031 |
Molten basic welding fluxes low in manganese and with low moisture sensitivity |
May 25, 1976 |
| Molten basic welding fluxes low in manganese and having low moisture sensitivity composed as follows: 10 - 18 % by weight of SiO.sub.2 15 - 25 % by weight of Al.sub.2 O.sub.3 0.1 - 2.0 % by weight of FeO and/or Fe.sub.2 O.sub.3 0 - 8 |
| 3957683 |
Paste-like mixtures containing a cross-linking agent and a condensation catalyst |
May 18, 1976 |
| The invention relates to paste-like mixtures that are used in the preparation of room temperature vulcanizable compositions comprising a cross-linking agent, a condensation catalyst and a hydrophobic silicon dioxide thickening agent which is solid at room temperature. |
| 3956570 |
Method for imparting water-repellency to construction materials |
May 11, 1976 |
| A method for imparting water repellency to construction materials which comprises treating said materials with a solution containing alkali metal organosiliconates of which at least 10 percent of the alkali metal organosiliconates are alkali metal propylsiliconates. |
| 3955988 |
Binder composition for inorganic compounds |
May 11, 1976 |
| A binder composition for inorganic compounds comprising alkyl silicates, an organic solvent, a catalytic amount of a metallic salt of a carboxylic acid and if desired, an organoalkoxysilane. |
| 3955985 |
Stable water repellent compositions |
May 11, 1976 |
| A water repellent composition comprising an aqueous solution of alkali metal alkyl and/or phenyl siliconates, an organic aqueous soluble complexing or chelating agent and an aqueous miscible monovalent alcohol and/or ketone. This composition may be applied to building materials, such |
| 3954687 |
Stable polyvinyl ester dispersions and methods of producing the same |
May 4, 1976 |
| An improvement in the production of polyvinyl ester dispersions by polymerization of vinyl esters or copolymerization of vinyl esters with up to 40% by weight of oil-soluble, mono-olefinically-unsaturated monomers in an aqueous emulsion in the presence of water-soluble radical-forming |
| 3954365 |
Apparatus for the preparation of foamed thermoplastic extruded profiles |
May 4, 1976 |
| An apparatus for the production of extruded profiles of foamed thermoplasts consisting of an extruder having an extrusion screw or helix and a form-giving extruder head having a flow channel there-through, at least part of the length of said flow channel being divided by separating walls |
| 3950312 |
Vinyl chloride terpolymers soluble in aromatic compounds and method for their production |
April 13, 1976 |
| Vinyl chloride terpolymers soluble in aromatic compounds with a K-value of from 25 to 38, measured in cyclohexanone consisting of an emulsion polymerized monomer mixture of from65% to 80% by weight of vinyl chloride,15% to 27% by weight of a diester of maleic acid and/or fumaric acid with |
| 3950300 |
Dental impression materials |
April 13, 1976 |
| The invention relates to a method for preparing dental impression materials which comprises mixingA. a diorganopolysiloxane containing terminal triorganosiloxy groups in which at least one of the triorganosiloxy groups contains a vinyl group withB. an organopolysiloxane having at least t |
| 3950138 |
Apparatus for conducting chemical reactions, particularly polymerization, continuously |
April 13, 1976 |
| An apparatus for carrying out chemical reactions in a continuous manner, particularly polymerizations, comprising a substantially axially symmetrical central reaction chamber containing a plurality of vertically spaced substantially axially symmetrical separators dividing said central |
| 3944508 |
Thermoplastic mixtures suitable for foaming in the extrusion or injection molding process |
March 16, 1976 |
| Thermoplastic mixtures suitable for foaming in the extrusion or injection molding process consisting of polymerizate mixtures of (A) from 50 to 95% by weight of a vinyl chloride polymerizate prepared by free-radical polymerization selected from the group consisting of (1) bulk polyme |
| 3941864 |
Method for manufacturing molded structures and coatings based on inorganic binding agents |
March 2, 1976 |
| A method of manufacturing molded structures and coatings based on curable inorganic binding agents and water which comprises coating shape-imparting surfaces made from materials such as wood, plaster, plastic or iron, with a mixture containing a curable organosilicon compound, a solvent |
| 3941544 |
Apparatus for the preparation of foamed thermoplastic extruded profiles |
March 2, 1976 |
| An apparatus for the production of extruded profiles of foamed thermoplasts consisting of an extruder having an extrusion screw and a form-giving extruder head having a flow channel therethrough characterized in that at least part of the length of said flow channel is divided by separati |
| 3936311 |
Coating material for buildings |
February 3, 1976 |
| A coating material for buildings which renders them water repellent, consisting of cement and/or lime, fillers and water, which contains as a hydrophobing additive 0.1 - 3% by weight, calculated on dry substance, of one or more water soluble esters of sacharose with fatty acids having |
| 3932691 |
Method of insulating rotor plates |
January 13, 1976 |
| The invention relates to a method for insulating rotor plates for electric motors by coating the rotor plates with a solution containing organo-silicon compounds, drying the coated plates and thereafter contacting the coated plates with a steam atmosphere to form a blue iron-oxide fi |
| 3932408 |
Pyrimidines and process of making the same |
January 13, 1976 |
| A compound of the formula ##SPC1##Wherein X is a member of the group consisting of H and Br, and R is a member of the group consisting of straight-chain and branched-chain alkyl radicals and cycloalkyl radicals having from 5 - 8 C-atoms. The invention also relates to the preparation |
