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| Number | Title | Issue Date |
| 4258207 | Cyclopropanecarboxylate pesticides preparation Compounds of the formula ##STR1## wherein R1 is an acyl group or certain optionally halo-substituted hydrocarbyl groups, and X is --CH2 CH(OCH3)2, --CH2 CHO, --CH.dbd.CHOR2 in which R | 03/24/1981 |
| 4258205 | 2,2-Dimethylcyclopropanecarbaldehyde dimethyl acetal derivatives New 2,2-dimethylcyclopropanecarbaldehyde dimethyl acetal derivatives of the formula ##STR1## wherein X is --CH2 OC(O)CH3, --CH2 OH, or --CHO are useful chemical intermediates for the preparation of pesticidally active... | 03/24/1981 |
| 4252738 | 1,2-Halohydrincarboxylic acid esters and a process for their preparation 1,2-Halohydrincarboxylic acid esters of the formula ##STR1## wherein R1, R2, R3, and R4 are identical or different and represent hydrogen, cyano and optionally substituted alkyl, alkenyl, aralkyl, aryl, alk... | 02/24/1981 |
| 4242279 | 2-(2,2-Dihalovinyl)-3,3-dimethylcyclopropylacetone pyrethroid intermediates The invention relates to 2-(2,2-dihalovinyl)-3,3-dimethylcyclopropylacetones which are intermediates for the preparation of pyrethroids which have good insecticidal properties.... | 12/30/1980 |
| 4241081 | Cyclopropanecarboxylate pesticides Compounds of the formula ##STR1## wherein R1 is an acyl group or certain optionally halo-substituted hydrocarbyl groups, and X is --CH2 CH(OCH3)2, --CH2 CHO, --CH.dbd.CHOR2 in which R | 12/23/1980 |
| 4234512 | Cyclopropane derivatives 2-(2,2-Dimethoxyethyl-3,3-dimethylcyclopropanecarbaldehyde and 2-[2-(2,2-dihalovinyl)-3,3-dimethylcyclopropyl]ethanal dimethyl acetals are new pyrethroid intermediates. They are prepared from 2-(2-hydroxymethyl-3,3-dimethylcyclopropyl)ethanal dimethyl ace... | 11/18/1980 |
| 4225694 | Selective catalytic oxidation of unsaturated alcohols to carbonyl compounds Primary and secondary unsaturated alcohols are converted to their corresponding aldehydes and/or carboxylic acids and ketones respectively with alkali metal (per) halate, preferably sodium periodate, in the presence of ruthenium catalyst. The process is p... | 09/30/1980 |
| 4222964 | 2-(2,2-Dihalovinyl-3,3-dimethylcyclopropyl)ethanal 2-(2,2-Dihalovinyl-3,3-dimethylcyclopropyl)ethanal is a new chemical compound and useful intermediate in the preparation of certain pyrethroid esters. It is prepared by hydrolysis of 2-[2-(2,2-dihalovinyl)-3,3-dimethylcyclopropyl]ethylidene diacetate, ... | 09/16/1980 |
| 4211727 | Reduction of carboxylic acid halides to aldehydes Carboxylic acid halides are reduced to the corresponding aldehydes using zinc borohydride or cadmium borohydride as the reducing agent.... | 07/08/1980 |
| 4209644 | Allyl acetyl derivatives of ଲ, γ-unsaturated aldehyde An unsaturated carbonyl compound, for example, one expressed by the following formula, ##STR1## is prepared by maintaining at an elevated temperature a novel allyl acetal of a ଲ,γ-unsaturated aldehyde, for example, one expressed by the fo... | 06/24/1980 |
| 4209642 | Cyclopropylmethanol pesticide Compounds of the formula ##STR1## wherein R1 is an acyl group or certain optionally halo-substituted hydrocarbyl groups, and X is --CH2 CH(OCH3)2, --CH2 CHO, --CH.dbd.CHOR2 in which R | 06/24/1980 |
| 4202822 | 1-Hydroxymethyl-1-oxo-prostane derivatives of the F1 series Derivatives, analogs, and congeners of prostane having a 1-(hydroxymethyl)-1-oxo-prostane structure in the F1 series.... | 05/13/1980 |
| 4197245 | 1-Hydroxymethyl-1-oxo-prostane derivatives of the A1 series Derivatives, analogs, and congeners of prostane having a 1-(hydroxymethyl)-1-oxo-prostane structure in the A1 series.... | 04/08/1980 |
| 4168281 | Cyclopentane aldehydes Novel cyclopentane derivatives of the formula: ##STR1## wherein R1 and R4 each represents an alkyl group and R2 and R3 each represents a hydrogen atom or alkyl group, are useful as aroma chemicals.... | 09/18/1979 |
| 4131623 | Synthesis of aldehydes and products of such synthesis The disclosure describes the production of complex aliphatic, unsaturated and cycloalkane aldehydes utilizing heterocyclic ring compounds, such as oxazines, particularly dihydro-1,3-oxazines. The oxazines are treated with an alkali metal-alkane compound, ... | 12/26/1978 |
| 4122121 | Cyclohexane derivatives Novel cyclohexane derivatives of the formula: ##STR1## wherein R1 represents an alkyl group, R2 and R3 each represents a hydrogen atom or an alkyl group, and X represents an epoxy or hydroxy group; are useful as aroma... | 10/24/1978 |
| 4110403 | Process for preparing ଲ,γ-unsaturated aldehydes A process for preparing ଲ,γ-unsaturated aldehydes which comprises dehydrogenating ଲ,γ-unsaturated alcohols in the vapor phase, preferably in the substantial absence of oxygen, using copper having a specific surface area of 0.01 to 1.5 m... | 08/29/1978 |
| 4085148 | Preparation of halogenated aldehydes Aldehydes of the general formula ##STR1## wherein Z is chlorine or bromine which are intermediates in the productions of insecticides.... | 04/18/1978 |
| 4066751 | Prostaglandin analogues Prostaglandin analogues of the formula: ##STR1## wherein X represents oxygen or sulphur, R1 and R2 each represent hydrogen or alkyl of from 1 to 3 carbon atoms, alkenyl of from 2 to 4 carbon atoms or trifluoromethyl, and the dou... | 01/03/1978 |
| 4057515 | Perfume compositions Perfume compositions are provided which are based upon certain cycloalkylidenebutanals. The perfume compositions comprising the subject cycloalkylidenebutanals.... | 11/08/1977 |
| 4044026 | Substituted succinaldehyde monoacetals New substituted succinaldehyde monoacetals which are produced by introducing an , ଲ-unsaturated aldehyde bearing halogen, arylsulfonyl or alkylsulfonyl as a substituent in the γ-position into a solution of an alkali metal alcoholate, an alka... | 08/23/1977 |
| 4036877 | Process for the production of aldehydes The invention relates to a process for the preparation of aldehydes by hydrogenating carboxylic chlorides of the general formula RCOCl, wherein R stands for alkyl, isoalkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aromatic, heterocyclic or ... | 07/19/1977 |
| 4010213 | Novel odorants Novel odorants of the formulae: ##STR1## wherein R1 represents a hydrogen atom or a methyl group and R2 represents a C1-6 alkyl group and wherein one of the two additional bonds indicated by dots may be present.... | 03/01/1977 |
| 3978092 | Process for the preparation of unsaturated carbonyl compounds An unsaturated carbonyl compound, for example, one expressed by the following formula ##EQU1## is prepared by maintaining at an elevated temperature an allyl acetal of an ,ଲ-unsaturated aldehyde, for example, one expressed by the fo... | 08/31/1976 |
| 3968137 | Perfluoralkylcyanocyclopropenes Described are random linear copolymers of certain cyclopropenes, e.g., cyclopropene or 1-methylcyclopropene, with certain ethylenically unsaturated or strained ring monomers, e.g., ethylene, acrylonitrile, 2-chlorobutadiene or 1-cyanobicyclo[1.1.0]butane.... | 07/06/1976 |
| 3959190 | Insoluble oxidation reagent A polymeric sulfide oxidation reagent comprising a cross-linked polymeric resin carrying a plurality of lower alkyl sulfide groups, its preparation and its use as a co-reactant for the oxidation of primary and secondary alcohols are disclosed.... | 05/25/1976 |
| 3953435 | Aldehyde derivatives of prostaglandins Prostaglandin analogues of the formula:- ##SPC1## Wherein A represents a PGF or PGE grouping, X represents ethylene or cis-vinylene, Y represents ethylene or transvinylene, R1 represents hydrogen or alkyl of 1 to 4 carbon atoms, R2 r... | 04/27/1976 |
| 3947469 | 3-(1,3-Dithian-2-yl)-4-cyclo-pentene-2-carboxylic acids, esters and amides The invention relates to the stereoisomers of novel cyclopentene derivatives and to the preparation thereof. The cyclopentene derivatives are obtained by cycloaddition reaction between cyclopentadiene and a mono-or bis-thioalkyl (or aryl) ketene and reaction ... | 03/30/1976 |
| 3940446 | Dehydrogenation of alcohols Dehydrogenating a primary or secondary alcohol to the corresponding aldehyde or ketone in a compound also containing a tertiary alcohol, with survival of said tertiary alcohol, by effecting the dehydrogenation at a temperature of about 200° to about 350Â... | 02/24/1976 |
| 3935240 | Cyclopentylheptenoic acids and derivatives The disclosure relates to novel intermediates, for use in the manufacture of known prostaglandins and prostaglandin-like compounds, for example aldehydes such as methyl 7-[2ଲ-formyl-3-hydroxy-5-(4-phenylbenzoyloxy)cyclopent- 1 ... | 01/27/1976 |
