Class 558/244 - Two -C(=X)- groups, wherein the X's are the same or diverse chalcogens, bonded directly to the same chalcogen or to a chain consisting of chalcogens (e.g., xanthic disulfides, etc.)

Subclass of Class 558 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which two -C(=X)- groups, wherein
No. of patents: 21
Last issue date: 08/14/2007

Number	Title	Issue Date
7255795	Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium Process for selectively removing molybdenum from liquid mixtures containing it, in a quantity greater than (200) mg/l, together with vanadium characterized in that it comprises the following steps: bringing the liquid mixture to a pH of less than (3); adding a solut...	08/14/2007
5637722	Ester syntheses and transesterifiable xanthate reactants therefor "Esters" are synthesized by reacting a nucleophile with a propargyl xanthate advantageously having the formula (I): R3 --C.tbd.C--CR1 R2 --S--CS--Y--R (I) in the presence of at least one acid, Bronsted or otherwise, and at ...	06/10/1997
5393778	Oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ...	02/28/1995
5384329	Oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ...	01/24/1995
5288753	Method of controlling animal and fungal pests with oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ...	02/22/1994
4806149	Method for regulating plant growth using xanthates This invention relates to monoxanthates and dixanthates of dipropylene glycol and triethylene glycol. These xanthates increase both the rate of plant growth and the concentration of chlorophyll in the plants....	02/21/1989
4797505	Process for the preparation of substituted diphenyl ethers This invention relates to certain phenoxybenzoates having excellent selective herbicidal properties. The compounds of the present invention are defined by the formula ##STR1## wherein L, M and N are independently hydrogen, halogen, trihalomethyl, ...	01/10/1989
4793852	Process for the recovery of non-ferrous metal sulfides This invention relates to a method of recovering non-ferrous metal sulfides from a metal ore which comprises subjecting the metal ore, in the form of an aqueous pulp, to a froth flotation process in the presence of a flotating amount of a flotation collec...	12/27/1988
4729843	Mixtures of alkyl xanthogen formates and dialkyl thionocarbamates as collectors in froth flotation The present invention provides a new collector for use in the froth flotation of metal values from their ores. The collector comprises a synergistic mixture of alkyl xanthogen alkyl formates and dialkyl thionocarbamates, and yields metal recoveries superi...	03/08/1988
4605518	Industrial process for the manufacture of alkyl xanthogen formates A batch process including a circulating reactor and an agitated reactor for the production of dialkyl xanthogen formates, including means to increase yields of products, inhibiting chloroformate hydrolysis, suppress production of xanthic anhydride as a by...	08/12/1986
4556415	Bis-(alkoxy)tetrathiotricarboxylates and use as herbicides thereof Bis-(alkoxy)tetrathiotricarboxylates are disclosed as well as herbicidal compositions containing such compounds and the use of such compounds as post-emergence herbicides....	12/03/1985
4537667	Radiation-curable copolymers of monoethylenic monomers Radiation-curable linear addition polymers or copolymers are disclosed having a weight average molecular weight of from about 1,500 to about 15,000 of polymerized monoethylenically unsaturated monomers, which may include up to 25% by weight of an hydroxy-...	08/27/1985
4528141	Process for producing trithiocarbonic acid esters S-Carboalkoxy-S'-alkyl trithiocarbonate, S-carboalkenoxy-S'-alkyl trithiocarbonate, S-carboalkenoxy-S'-alkenyl trithiocarbonate and S-carboalkoxy-S'-alkenyl trithiocarbonate, their use as flotation agents, and a process to make these novel compositions ar...	07/09/1985
4518492	Ore flotation with combined collectors S-carbalkoxy-S'-alkyl trithiocarbonate and n-dodecyl mercaptan are used for flotation of copper, nickel and iron-containing ores. S-carbalkoxy-S'-alkyl trithiocarbonate, n-dodecyl mercaptan and poly(propylene glycol) are used for the flotation of copper, ...	05/21/1985
4505736	N-Phosphonomethylglycine derivatives and use as herbicides N-alkoxythione derivatives of N-phosphonomethylglycine are novel compounds with utility as herbicides and in plant growth regulating applications....	03/19/1985
4454051	Alkyl xanthogen formate mixture as flotation agent A batch process including a circulating reactor and an agitated reactor for the production of dialkyl xanthogen formates, including means to increase yields of products, inhibiting chloroformate hydrolysis, suppress production of xanthic anhydride as a by...	06/12/1984
4354980	Process for producing alkyl xanthogen alkylformates Dialkyl xanthogen formates are known collectors, but the reaction that produces them, between an alkaline alkyl xanthate and an alkaline chloroformate, also causes side reactions which produce varying amounts of xanthic anhydride, carbonyl sulfide and dia...	10/19/1982
4298524	Preparation of thion- and thiol-carbamic esters Thion-carbamic esters are obtained reacting in a single stage an alkaline xanthogenate, an amine and an oxidizer, according to the reaction: ##STR1## wherein: R, R1, R2 each are an alkyl, alkylaromatic, olefinic, cycloolefinic, ...	11/03/1981
4216217	Novel (1-arylcycloalkylmethyl) isothiocyanates This invention relates to novel (1-arylcycloalkylmethyl) isothiocyanates, having biocidal, more particularly, fungicidal, bactericidal and insecticidal properties....	08/05/1980
4086360	Phenyl thiol carbanilide derivatives, method for the preparation thereof and use thereof as fungicide for agriculture New phenyl thiol carbanilide derivatives of the present invention are represented by the formula ##STR1## where X represents a lower alkylsulfonyl, a lower alkoxycarbonyl, a N-lower alkylcarbamoyl, a lower alkylcarbonyl or an O,O-dilower alkyl t...	04/25/1978
4044039	HCN-olefin adduct using HF A process for the preparation of N-hydrocarbyl- substituted primary amines in the form of N-hydrocarbyl formimidate ester by the alkylation of hydrocyanic acid. The process comprises contacting a nonconjugated olefin with hydrocyanic acid and hydrogen flu...	08/23/1977

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Class 558/244 - Two -C(=X)- groups, wherein the X's are the same or diverse chalcogens, bonded directly to the same chalcogen or to a chain consisting of chalcogens (e.g., xanthic disulfides, etc.)