Phillips Petroleum Company

Other

Kimble, Kenneth B.

Bresson, Clarence R.

Clarence R Bresson

Robert M Parlman

Harold W Mark

Kenneth B Kimble

James B Kimble

Rector P Louthan

Forrest D Spaulding

H Wayne Mark

Benjamin R Robles

Tommy L Young

Rex L Bobsein

Lyle D Burns

Richard C Doss

William E Thornberry

A polyamine substituted dithiocarbamate compound is provided. Also provided are minerals depressant compounds for recovering mineral values from an ore or concentrate wherein the values are recovered in a froth from an aqueous slurry. A process of forming the minerals depressant compounds and an improved ore flotation process using the minerals depressant compounds are also provided.

Polyamine substituted dithiocarbamate and process for producing the same

An isomerization of a haloalkene is conducted in the presence of a mixture of a copper compound and a trithiocarbonic acid derivative or dithiocarbonic acid derivative.

Promoters for haloalkene isomerization

A process for the recovery of minerals from an ore or concentrate containing the same wherein the minerals are recovered in a froth from an aqueous pulp containing the ore or concentrate and wherein one or more mineral flotation agents are employed in the aqueous pulp to control the type of mineral in the froth is provided. The mineral flotation agent or agents employed in the process comprise sulfenyl dithiocarbamates characterized by the formula: ##STR1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of hydrogen and hydrocarbyl groups with not more than one of R.sub.1 and R.sub.2 being hydrogen, n is 1 or 2, and R.sub.3 is a hydrocarbyl group.

Ore flotation and sulfenyl dithiocarbamates as agents for use therein

A process for separating and recovering minerals, such as molybdenum or coal, from ores with which they occur by addition of a dimercaptothiadiazole to an ore flotation process.

Ore flotation employing dimercaptothiadiazoles

A polyamine substituted dithiocarbamate composition is provided. Also provided are minerals depressant compositions for recovering mineral values from an ore or concentrate wherein the values are recovered in a froth from an aqueous slurry. A process of forming the minerals depressant compositions and an improved ore flotation process using the minerals depressant compositions are also provided.

Ore flotation

Tri-alkali metal di(carboxyalkyl) dithiocarbamates and triammonium-di(carboxyalkyl) dithiocarbamates which can be characterized by the formula ##STR1## wherein R and R' can be the same or different and are selected from the group consisting of alkylene radicals, preferably alkylene radicals each preferably having from 1 to 12 carbon atoms, and wherein M is selected from the group consisting of alkali metal atoms and ammonium; their use as ore flotation depressants; and a process for making these novel compositions are disclosed.

Ore flotation and tri-alkali metal-di(carboxyalkyl) dithiocarbamate and

Carboxyalkyl dithiocarbamates which can be characterized by the formula ##STR1## wherein R is selected from the group consisting of alkylene radicals, wherein R' is selected from the group consisting of hydrogen and methyl and ethyl radicals, R.sup.2 is selected from the group consisting of alkylene radicals and wherein M is selected from the group consisting of ammonium and alkali metal atoms, their use as ore flotation depressants, and a process for making these novel compositions are disclosed.

Ore flotation and di-alkali metal-di(carboxyalkyl)dithiocarbamate and

The efficiency of metals separation using ore flotation is improved by the use of certain substituted hydrocarbylene trithiocarbonates as suppressants for undesired metals.

Trithiocarbonates as flotation reagents

3-Hydroxytrimethylene sulfides are useful in ore flotation processes as depressants for iron, nickel, lead and/or zinc.

A stable water-based industrial cleaning composition comprising water, an additive comprising a mixture of an alkyl polyoxyalkylene sulfide and an alkyl polyoxyalkylene sulfoxide and at least one builder selected from the group consisting of alkali metal and ammonium salts of ethylenediamine tetraacetic acid, alkali metal and ammonium pyrophosphates, alkali metal and ammonium metasilicates, alkali metal hydroxides, alkaline earth metal hydroxides and alkali metal borates is disclosed. In accordance with the invention, said alkyl polyoxyalkylene sulfide may be partially oxidized to its corresponding alkyl polyoxyalkylene sulfoxide to produce said additive.

Water-based industrial cleaners

Polyhydroxytrithiocarbonates can be used as depressants in ore flotation.

Trithiocarbonates as depressants in ore flotation

Ammonium dialkylaminoalkyl (thiocarbonyldithio) alkanoates, alkali metal dialkylaminoalkyl (thiocarbonyldithio) alkanoates, their use as flotation agents, and a process for the production of these novel compositions are disclosed. N,N-dialkylaminoalkyl mercaptoalkanoate, its use as an intermediate in the production of the novel ammonium dialkylaminoalkyl (thiocarbonyldithio) alkanoates and alkali metal dialkylaminoalkyl (thiocarbonyldithio) alkanoates, and a process for the production of this novel composition are also disclosed.

Ore flotation and flotation agents for use therein

In an ore flotation process for recovering copper values from an aqueous slurry the improvement comprises a depressant composition of an amino-substituted carboxylic acid derivative or a mercapto-substituted carboxylic acid derivative in combination with a thiocarbonate derivative.

Process for the preparation of ore flotation collectors is disclosed comprising reacting an alkali metal salt of a 2-mercaptobenzimidazole with carbon disulfide. Also disclosed is process for recovery of minerals by flotation employing the novel ore flotation collectors prepared as described above.

Ore flotation agent from 2-mercaptobenzimidazole and flotation processes

Mercaptobenzothiazoles are usually employed together with hydrocarbyl trithiocarbonate in flotation processes for the recovery of copper values from an ore containing same.

Growing community of inventors

Bartlesville, OK, United States of America

Clarence R Bresson