| Patent Number |
Title Of Patent |
Date Issued |
| 4195162 |
Method for producing polylaurolactam powder compositions for the coating of metals at high tempe |
March 25, 1980 |
| Polylaurolactam powder coating compositions for the coating of metals at high temperatures are obtained by grinding low molecular weight and brittle polylaurolactam with subsequent condensation by heating of the powder to temperatures of below its melting point.A. For the production of p |
| 4194988 |
Method for the production of aqueous, finely dispersed, shelf-stable silicone oil emulsions |
March 25, 1980 |
| Method for the preparation of aqueous, finely dispersed, shelf-stable silicone oil emulsions with the use of emulsifiers. Dimethyl polysiloxanes and 0.1-0.3 part by weight of emulsifiers, based on the dimethyl polysiloxanes, of a monoester or diester of orthophosphoric acid or mixtur |
| 4190731 |
Process for working up distillation residues from the hydroformylation of propene |
February 26, 1980 |
| The oxo process wherein propene is hydroformylated and then distilled to separate n-butyraldehyde, iso-butyraldehyde, n-butanol, iso-butanol, n-butyl formate, iso-butyl formate and distillation residues having an acid number of about 80 to 130 is improved by adding to the distillation |
| 4175095 |
Process for the manufacture of pentachlorovinylacetyl chloride |
November 20, 1979 |
| Pentachlorovinylacetyl chloride is prepared by chlorinating tetrachlorocyclobutenone with a chlorinating agent such as (a) Cl.sub.2, optionally in the presence of additives, e.g., phosphorous pentachloride, antimony pentachloride, or oxides, hydroxides or carbonates of metals such as |
| 4172161 |
Pulverulent copolyamides for the coating of glass bottles |
October 23, 1979 |
| An improved method of coating glass bottles by flame spraying with pulverulent copolyamides which uses a copolyamide containing at least 30% by weight of laurolactam. The copolyamides, obtained by the hydrolytic polycondensation process are first subjected to a molecule-orienting tre |
| 4168390 |
Process for continuous alkylation of phenol using ion exchange resins |
September 18, 1979 |
| An improved process for the continuous alkylation of phenol with olefins having 6 to 12 carbon atoms in the liquid phase and in the presence of strongly acid ion exchange resin catalysts mounted in a fixed bed. The phenol and olefins are passed in a first stage at temperatures from about |
| 4143093 |
Polyester threads and fibers having increased dye affinity |
March 6, 1979 |
| Textile fibers and articles having increased dye affinity are prepared by spinning a mixture of 85-97% by weight of poly(ethylene terephthalate) or poly(1,4-cyclohexylenedimethylene terephthalate) and 3-15% by weight of poly(ethylene dodecanedioate) and aftertreating the spun threads in |
| 4143025 |
Method for producing polylaurolactam powder compositions for the coating of metals at high tempe |
March 6, 1979 |
| Polylaurolactam powder coating compositions for the coating of metals at high temperatures are obtained by grinding low molecular weight and brittle polylaurolactam with subsequent condensation by heating of the powder to temperatures of below its melting point.A. for the production of p |
| 4117251 |
Method for preparing straight chain primary alcohols from 1-bromoalkanes |
September 26, 1978 |
| Straight-chain, primary alcohols are prepared by reacting straight-chain 1-bromoalkanes having 6 to 20 carbon atoms with alkali salts of monocarboxylic acids having 4 to 22 carbon atoms in the presence of 1 to 10 mole percent of monocarboxylic acids or alcohols based upon the alkali |
| 4115640 |
Aftertreatment of spray dried, powdered vinyl chloride emulsion polymerizates |
September 19, 1978 |
| The rheological properties of paste-formable, powdered polymerizates produced by polymerizing vinyl chloride or a mixture of vinyl chloride and a copolymerizable monomer in an aqueous emulsion in the presence of a water-soluble catalyst and an alkali metal salt of a fatty acid as the |
| 4115530 |
Process for obtaining gaseous hydrogen chloride from dilute, aqueous hydrochloric acid |
September 19, 1978 |
| Process for the production of gaseous hydrogen chloride by extraction of dilute aqueous hydrochloric acid with amines.(a) The aqueous hydrochloric acid is extracted with an amine or with a mixture of an amine and an inert organic solvent which is immiscible with water and has a lower boi |
| 4115460 |
Method for producing hexachlorocyclobutene |
September 19, 1978 |
| Method for producing hexachlorocyclobutene from hexachlorobutadiene, wherein technical hexachlorobutadiene is rectified at a pressure of 2-10 mm Hg with a reflux ratio of 300-600, and the hexachlorobutadiene remaining in the sump during this procedure, after a heat treatment at 150.d |
| 4110075 |
Process for washing textiles in an automatic washing machine, working substances and apparatus f |
August 29, 1978 |
| Washing process for textiles in an automatic washing machine, with application of active washing substances, structural substances and bleaching agents, involving loading of the textiles in the washing machine, adding water, agitating the textiles in the washing solution, pumping off |
| 4104261 |
Low pilling polyester fibers and process for their manufacture |
August 1, 1978 |
| An improvement in the process of melt spinning ethylene terephthalate polyester to produce textile fibers with decreased pilling in the threads, fibers or fabrics made therefrom. The ethylene terephthalate is melt polymerized in the presence of a condensation catalyst to a final temp |
