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6740765 |
Method for preparing cyclohexane carboxylic acids
This invention relates to a method for preparing 4-substituted-4-cyanocyclohexane carboxylates by forming the cyclohexane ring by treating a α,α-bis(2-haloethyl)-4-benzeneacetonitrile with a...
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6482908 |
Template-directed ring-closing metathesis and ring-opening metathesis polymerization of functionalized dienes
Functionalized cyclic olefins and methods for making the same are disclosed. Methods include template-directed ring-closing metathesis (“RCM”) of functionalized acyclic dienes and...
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6420590 |
Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate
Continuous processes for forming cyanoacrylate from polycyanoacrylate include stripping a solvent from a reaction mass; cracking a polymer in the reaction mass to form a cracked cyanoacrylate...
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6245933 |
Transesterification method for making cyanoacrylates
An α-cyanoacrylate may be formed by first condensing a cyanoacetate with paraformaldehyde or formaldehyde; reacting the polymer formed with an alcohol to transesterify the polymer; and...
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6057472 |
Highly pure alkyl 2-cyanoacrylates
A process for the preparation of a highly pure alkyl 2-cyanoacrylate, wherein alkyl has 1-10 C atoms, characterized in that a) formaldehyde is reacted with an alkyl cyanoacetate ester by means...
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5436363 |
Method for making alkyl-α-cyanoacrylate from depolymerization of poly(alkyl-α-cyanoacrylate)
A depolymerization and purification process, by which a poly(alkyl-α-cyanoacrylate) feed is depolymerized into high-purity cyanoacrylate monomers without the use of a high-boiling heat transfer...
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5352819 |
Dehydrocyanation of aliphatic dinitriles
Branched saturated dinitrile byproducts, e.g. 2-methylglutaronitrile, 2-ethylsuccinonitrile and mixtures thereof, are converted into useful ethylenic nitriles by dehydrocyanating same, in vapor...
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5053516 |
Synthesis of 2-substituted-5-methylpyridines from methylcyclobutanecarbonitrile, valeronitrile and pentenonitrile intermediates
3-Methyl-2-alkylamino-1-halo-1-cyano cyclobutanes are cleaved under acid conditions to form 2-halo-4-formylvaleronitrile and 4-formyl-2-pentenonitrile which can be cyclized to form...
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4925997 |
Oxidative conversion of organic compounds, toluene and acetonitrile
A method for the oxidative conversion of feed organic compounds to product organic compounds, particularly, the conversion of toluene to bibenzyl and stilbene and the conversion of acetonitrile to...
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4482731 |
Process for the preparation of trans-3-(z-2-chloro-2-aryl-vinyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid derivatives, and the use of intermediate products in agents for compating pests
The invention relates to a process for preparing trans-3-(Z-2-chloro-2-(4-aryl)-vinyl)-2,2-dimethyl-cycloprop
ane-1-carboxyl ic acid derivatives of Formula (I) from corresponding dehalogenated...
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4133961 |
Process for the production of unsaturated carboxylic acids containing additional functional groups
A process for the preparation of an unsaturated dicarboxylic acid containing additional functional groups wherein a substituted cyclobutane is contacted with an anhydride of acetic, propionic or...
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3728373 |
METHOD FOR MAKING CYANACRYLIC ACID ESTERS
A method for making cyanacrylic acid esters by depolymerizing polycyanacrylic acid esters continuously. The polymer, admixed with an inert liquid of high boiling point and a polymerization...
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3507902 |
PROCESS FOR PREPARING ALPHA-CHLOROACRYLONITRILES
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3465027 |
PROCESS FOR MANUFACTURE OF HIGH PURITY ALPHA-CYANOACRYLATES
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3444233 |
PREPARATION OF ALKYL AND ARYL ALPHA-CYANOACRYLATES
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3362983 |
Process for the manufacture of ethylenes substituted in the 1-position
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3355482 |
Stabilized cyanoacrylate adhesives
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3347902 |
Process for producing 2-cyanobutadienes
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3275676 |
Process for preparing cyclobutene-1, 2-dicyanide
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3254111 |
Esters of alpha-cyanoacrylic acid and process for the manufacture thereof
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3231523 |
Haloacetonitrile reaction products and preparation thereof
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3213125 |
Substituted 1, 3-dienes and process for preparing the same
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3040084 |
4-substituted-1, 1, 2-tricyano-1, 3-butadiene and process of preparation
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2784215 |
Monomeric esters of alpha-cyanoacrylic acid and their preparation
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3751445 |
Title is not available
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3659006 |
Title is not available
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3795694 |
Title is not available
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3657313 |
Title is not available
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