Patents
Patents for C07C 321 - Thiols, sulfides, hydropolysulfides or polysulfides (3,793)
03/1991
03/19/1991US5001271 Synthesis of benzyl mercaptan
03/19/1991US5001269 Process for the production of lower dialkyl disulphides
03/18/1991CA2014997A1 Oxygen or sulfur containing acyclic terpenes
03/06/1991EP0276329B1 2,3-diaminoacrylonitrile derivatives
02/1991
02/27/1991CN1011782B Process for preparing 2-(1-(3-chloroallyloxyimino)alkylidene)-5-alkylthioalkyl-cyclohexane-1,3-dione
02/26/1991US4996347 Anticoagulant
02/20/1991EP0413648A1 Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
02/18/1991WO1991002715A2 Ultraviolet light-absorbing compounds and sunscreen formulations and polymeric materials containing such compounds or residues thereof
02/13/1991EP0412387A2 Diarylacetylenes, their process and use
02/12/1991US4992468 Treatment of skin disorders
02/09/1991CA2022570A1 Diarylacetylenes, the preparation and use thereof
02/05/1991USH890 Herbicidal heterocyclicbenzylsulfonamides
02/05/1991US4990675 Oxidizing mercaptans with halogenated hydrocarbons in presence of hydroxides and phase transfer catalyst
02/05/1991US4990630 Chemical intermediates/
01/1991
01/30/1991EP0410742A1 Phenylethenyl compounds having retinoid-like activity
01/27/1991CA2020253A1 Phenylethenyl compounds having retinoid-like activity
01/22/1991CA1279329C Process for the preparation of an aqueous solution of sodium methionine
01/15/1991US4985585 Antiallergens
12/1990
12/27/1990EP0404607A2 Sulfurised lubricant additives, processes for preparing same and compositions containing said additives
12/25/1990US4980509 Aromatic polycyclic derivatives, their process of preparation and their use in human and veterinary medicine and in cosmetics
12/18/1990US4978796 N-alkylpyrrolidone solvents for preparation of aromatic thiols
12/12/1990EP0401817A2 Reagents for rapid peptide synthesis
12/09/1990CA2018542A1 Reagents for rapid peptide synthesis
11/1990
11/28/1990EP0399185A1 Process for removing sulfur from organic sulfides
11/24/1990CA2013951A1 Process for removing sulfur from organic sulfides
10/1990
10/30/1990US4966998 Trisubstituted benzoic acid intermediates
10/30/1990US4966720 Reacting aliphatic monoolefin with cooled sulfur monochloride; then with aqueous alcoholic solution of sodium sulfide; additives for extreme pressure lubricants
10/30/1990CA1275658C Preparation of dialkyl disulfides
10/23/1990US4964957 Purification of high boiling alkyl sulfides
10/18/1990WO1990012073A1 Trifluoromethylcyclohexane derivatives
10/17/1990CN1010018B Production of benzoylureas
10/16/1990US4963607 Compositions and methods using organosulfides for stabilization of polyolefins against photodegradation
10/10/1990EP0390839A1 Mercapto-acylamino acid antihypertensives
10/10/1990CN1009925B Prepn. of polysulfide
10/06/1990WO1990012019A1 Method of producing bis(1,2-diaryl-1,2-ethylenedithiolato) nickel complex
10/06/1990CA2029352A1 Preparation process of bis(1,2-diaryl-1,2-ethylenedithiolato)nickel-based complex
10/02/1990US4960940 Chemical intermediates for fiber-reactive dyes
09/1990
09/25/1990CA1274535A1 Method for producing alkenylthiophenols and their esters
09/19/1990EP0337839B1 Process for the preparation of lower dialkyldisulfides
09/02/1990CA2011217A1 Preparation and use of triphenyl methanethiol-35s
08/1990
08/29/1990EP0337837B1 Process for the preparation of organic disulfides and polysulfides
08/29/1990EP0199782B1 Sulfurized compositions and lubricants
08/21/1990US4950795 Oligomeric benzil ketals and their use as photoinitiators
08/16/1990EP0382617A1 Process for the preparation of vinical alkane dithiols
08/14/1990US4948827 Stabilizer for vinyl chloride polymers, chain transfer agents and peptizers
08/14/1990CA1272827A1 Compositions and methods using organosulfides for stabilization of polyolefins against photodegradation
08/08/1990EP0381350A1 Hydrotreated oil soluble sulfurized olefins and their preparation
08/08/1990CN1009087B 2-(1-(3-chloroallyloxyamino) alkylidene)-5-alkylthioalkyl-cyclohexane-1,3-diont herbicide
08/08/1990CN1009086B Prepn. trisubstituted benzoic acid intermediates
08/07/1990CA1272448A1 Pharmaceutical composition containing at least one benzonorbornen derivative as active principle
07/1990
07/31/1990CA2007144A1 Hydrotreated oil soluble sulfurized olefins and their preparation
07/25/1990EP0378895A1 A mercapto compound, a high refractive index resin and lens and a process for preparing them
07/25/1990EP0378763A1 Lipids, their production and use
07/24/1990US4943662 Process for preparation of dithiols
07/18/1990EP0378285A1 Substituted alkenes, processes for their preparation and their use as pesticides
07/18/1990EP0377634A1 Process for the preparation of aryl sulfides.
07/18/1990EP0377625A1 Preparation of derivatives
07/18/1990CN1043930A Substituted alkene and process of preparation thereof, use in biocides
07/17/1990CA1271644A1 2-¬1-(3-chloroallyloxyamino) alkylidene|-5- alkylthioalkyl-cyclohexane-1,3-dione herbicides
07/04/1990CN1043499A Process for preparing perhaloalkylthioethers
07/04/1990CN1043498A Mercapto compound, high refractive index resin and lens and process for preparing them
06/1990
06/26/1990US4937385 Process for the manufacture of dialkyl disulfides and polysulfides
06/20/1990EP0374061A1 Process for the preparation of perhalogen alkyl thio ethers
06/20/1990CN1008441B Method for eliminating reentry disulfides in mercaptan extraction
06/13/1990EP0371995A1 Process for producing phenylhydroquinones.
06/13/1990CN1042897A Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers
06/12/1990US4933481 Synthesis of organic polysulphides
06/05/1990US4931589 Benzonorbornene derivatives, processes for their preparation and medicinal and cosmetic compositions containing them
05/1990
05/29/1990CA1269665A1 Amine dealkylation process
05/23/1990EP0329521B1 Process for the preparation of tertiary mercaptans from homopolymers of isobutene
05/22/1990US4927972 Reacting with hydrogen sulfide in the presence of an acid catalyst
05/16/1990EP0368697A1 2-Methyl-5-t-butyl thiophenol, its preparation and use
05/16/1990EP0243313B1 Acyl-cyclohexane diones and their oxime ethers exhibiting a herbicidal and plant growth activity
05/02/1990EP0366059A2 Carbocyclic nucleoside analogs
05/01/1990CA1268480A1 Dithiol synthesis
04/1990
04/27/1990CA2001532A1 Lipids, their production and use
04/25/1990CA2001318A1 Carbocyclic nucleoside analogs
04/04/1990EP0361995A1 Process for the preparation of diarylsulfide or diarylselene compounds
04/04/1990EP0361772A2 Cyclopentyl ethers and their preparation and pharmaceutical formulation
03/1990
03/28/1990EP0360633A1 Polysulphurised olefin composition, its preparation and its use as an additive in lubricants
03/28/1990CN1007350B Process for degradation of alkyl polysulfide to polysulfide of low sulfur
03/27/1990CA1267153A1 Benzonorbornene derivatives; process for preparing the same and cosmetic compositions containing these derivatives
03/21/1990EP0359618A1 2-Substituted para-aminophenols and their use in the coloration of keratinic fibres
03/20/1990US4909835 Containing a sulfur substitution in position 5
03/14/1990EP0357610A1 Insecticidal cyclopropyl-substituted di(aryl) compounds.
03/14/1990CN1040364A Process for preparing di ( alkylsulfomethyl ) phenole
03/08/1990DE3827046A1 Non-calamitic acetylene compounds
03/07/1990EP0357534A1 Rubber vulcanization agents
03/06/1990CA1266485A1 Trisubstituted benzoic acid intermediates
02/1990
02/28/1990EP0356318A1 Process for the synthesis of organic polysulfides
02/21/1990CN1039805A Herbicides compounds and composition thereof
02/20/1990US4902775 Rubber vulcanization agents of sulfur olefin adduct
02/14/1990EP0354460A1 Process to produce organosulfur compounds
02/13/1990CA1265821A1 Process for the degradation of alkyl polysulfides into lower sulfur polysulfides
02/07/1990EP0353416A2 Use of ajoene and ajoene derivatives as cytostatics
02/06/1990US4898973 Trisubstituted benzoic acid intermediates
01/1990
01/23/1990CA1264763A1 Process for the preparation of diphenyl ethers
01/17/1990EP0351332A1 Herbicidal compounds and compositions containing them
01/16/1990US4894181 Carbocyclic compounds
01/02/1990US4891448 Acidic mordenite catalyst
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