What's new — Stan's Legacy

patent · 13 Mar 1984 · added 2 months ago

Laser production of carbon-13 based on CF2 HCl

A method of producing carbon-13 using CF 2 HCl as the feedstock (substrate) material in which the CF 2 HCl is enriched up to a first level of C-13 by I.R. laser photodissociation a...

patent · 22 May 1990 · added 2 months ago

Purification of anhydrous hydrogen chloride

patent · 1 Sep 1981 · added 2 months ago

Purification of chlorophenolic derived compounds

Chlorophenolic derived compounds which may be used as herbicides and which contain a contaminant comprising 2,3,7,8-tetrachlorodibenzo-p-dioxin may be purified by subjecting a solu...

patent · 3 Jun 1980 · added 2 months ago

Removal of acetylene from HCl streams

Method of reducing the amount of acetylene impurity present in hydrogen chloride gas comprising contacting said gas with an oxidation catalyst in the presence of an oxygen-containi...

patent · 27 Mar 1979 · added 2 months ago

Purification of silane via laser-induced chemistry

Impurities such as PH3, AsH3, and B2H6 may be removed from SiH4 by means of selective photolysis with ultraviolet radiation of the appropriate wavelength. An ArF laser operating at...

patent · 28 Oct 1980 · added 2 months ago

Method of molecular specie alteration by nonresonant laser induced dielectric breakdown

Irradiation of a molecular specie by itself or in the presence of a secondary material at a pressure above a threshold value for the particular system by a laser of predetermined m...

patent · 20 Dec 1977 · added 2 months ago

Removal of phosgene impurity from boron trichloride by laser radiation

Phosgene, COCl 2 , an impurity in BCl 3 is dissociated by CO 2 ser radiation that is passed through a stainless steel laser cell with NaCl windows on each end of the cell. The powe...

patent · 30 Aug 1977 · added 2 months ago

Photochemical process for decontaminating gaseous or vaporous streams

A process for photochemically treating hydrocarbons and halogenated or partially oxidized hydrocarbons in a gaseous or vaporous mixture, by exposing the mixture to ultraviolet ligh...

patent · 12 Jul 1977 · added 2 months ago

Method of removing acetylene from anhydrous-hydrogen chloride

Small amounts of acetylene in anhydrous hydrogen chloride can be reduced by heating the gas to a temperature within the range of about 300° C to 500° C in the presence of oxygen, s...

patent · 7 Dec 1976 · added 2 months ago

Purification of gases containing hydrogen fluoride impurity

This invention relates to the removal from gaseous mixtures comprising hydrogen chloride or sulfuryl fluoride and hydrogen chloride of hydrogen fluoride impurity by solubilization...

patent · 31 Aug 1976 · added 2 months ago

Process for decomposing carbon-containing compounds

Carbon-containing compounds contained in a gas, such as polluted air or an industrial flue gas, or in a liquid, such as an aqueous solution or dispension, e.g. sewage liquid, conta...

patent · 19 Sep 1978 · added 2 months ago

Separation of gaseous mixtures of matter

A gaseous jet of a mixture of matter or isotopes to be separated is penetrated by a polarized electromagnetic wave, e.g., a laser or maser beam. The required frequency is in the vi...

patent · 19 Jun 1979 · added 2 months ago

Method for separating gaseous mixtures of matter

Molecules to be separated from a mixture of matter of a chemical component are excited in a manner known per se by narrow-band light sources, and a chemical reaction partner for re...

patent · 27 May 1969 · added 2 months ago

Purification of hydrogen chloride

Machine transcription of the US3446586 patent scan, 3 pages.

patent · 1 Oct 1985 · added 2 months ago

Process for preparing high surface area iron/cobalt Fischer-Tropsch slurry catalysts

Slurried high surface area Fe-Co spinels which are fully reduced/carburized provide exceptionally high activity and selectivity in the conversion of CO/H2 to alpha-olefins. These i...

patent · 25 Feb 2014 · added 2 months ago