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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 558/398 - Having -COO- in the chain


Subclass of Class 558 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein-C(=O)- is part of the acyclic
No. of patents: 92
Last issue date: 09/29/2009


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NumberTitleIssue Date
7595418Protected 5,7-dihydroxy-4,4-dimethyl-3-oxoheptanoic acid esters and 5,7-dihydroxy-2-alkyl-4,4-dimethyl-3-oxoheptanoci acid esters for the synthesizing of epothilone and epothilone derivatives and process for the production of these esters
This invention describes protected 5,7-dihydroxy-4,4-dimethyl-3-oxoheptanoic acid ester and 5,7-dihydroxy-2-alkyl-4,4-dimethyl-3-oxoheptanoic acid ester for the synthesis of epothilones and epothilone derivatives and process for the production of these esters. ...
09/29/2009
7358382Protected 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production
The invention relates to 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothilones and epothilone derivatives and process for the production of these new intermediate products in the synthesis and the use for the production of epothilones or epothil...
04/15/2008
7262261Binders and a method of use thereof as coating material for metal containers
Condensation products of dihydroxyaromatics A, alone or in mixture with mono- or polyhydroxyaromatics C, with diepoxides or polyepoxides B which have been alkylolated by reaction with aldehydes D and whose alkylol groups may have been etherified with alcohols, a pro...
08/28/2007
7153814Amidoacetonitrile derivatives
The invention relates to compounds of the general formula (I), in which Ar, R1, R2, R3, R4, R5, R6, R7, R8, W, a, b and n are as defined in claim 1, and to any enantiomers...
12/26/2006
6911554Isocyano substituted polystyrene carbonate resin for use in 3 and 4 component condensation reactions
This invention relates to compounds comprising isocyano derivatives tethered to solid supports for use in 3 and 4 component condensation reactions. The invention also relates to methods for synthesizing cyclic derivatives by a 3 and 4 component condensation reaction...
06/28/2005
6242634Pyrimidin-4-one derivatives, their use, intermediates for their production, and processes for producing these intermediates
Novel pyrimidin-4-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R1 is hydrogen or alkyl; R2 is alkyl optionally substituted with halogen; R3 is alkyl optionally ...
06/05/2001
6187944Acrylonitrile compounds, process for their production and pesticides containing them
Acrylonitrile compounds having pesticidal activity of formula (I) and salts thereof. ##STR1## wherein Q is ##STR2## Y is .dbd.C(R4)-- or .dbd.N--, R1 is alkyl, haloalkyl, etc., each of R2 and R3 is halogen,...
02/13/2001
6046353Method of making (S)-3-(aminomethyl)-5-methylhexanoic acid
A method of making (&#b1;)-3-(aminomethyl)-5-methylhexanoic acid that comprises condensing isovaleraldehyde with ##STR1## to form primarily ##STR2## reacting the ##STR3## with a cyanide source to form ##STR4## decarboxylating...
04/04/2000
5856490Aryl or heteroaryl amides of tetrahydronaphthalene, chroman, thiochroman and 1,2,3,4-tetrahydroquinoline carboxylic acids, having an electron withdrawing substituent in the aromatic or heteroaromatic moiety, having retinoid-like biological activity
Compounds of the formula ##STR1## where the symbols have the meaning defined in the specification have retinoid-like biological activity....
01/05/1999
5602196Bisphenol ester derivatives
Stabilisers of formula I ##STR1## wherein R1 and R2 may be C1 -C5 alkyl, the substituents R3 to R8 may be hydrogen, the variable n may be 1 or 2, and, when n is 1, A may be an alkoxy r...
02/11/1997
5538521Fuel compositions containing polyalkyl and poly(oxyalkylene)aromatic esters
A fuel additive having the formula: ##STR1## wherein A1 is a thioether, a sulfoxide, a sulfone, a sulfonic acid, a sulfonamide, a nitrile, a carboxylic acid or ester, or a carboxamide; R1 and R2 are independently hydr...
07/23/1996
5516776Enantioselective synthesis of antifolates
A process and intermediates for the enantioselective synthesis of 5,10-dideaza-5,6,7,8-tetrahydrofolic acid are disclosed....
05/14/1996
5493047Method of preparing optically active cyanohydrin derivatives
The invention relates to a method of preparing an optically active cyanohydrin carboxylic acid ester from an optically active cyanohydrin of opposite configuration, wherein said starting cyanohydrin is converted with a carboxylic acid in the presence of a...
02/20/1996
5443820Esters and amides of aminomethylenecyanoacetic acid a cosmetic preparation containing the same as a sunscreen agent and a method for protecting human skin using the same
Esters and amides of aminomethylenecyanoacetic acid I ##STR1## where R1 and R2 are each, independently of one another, phenyl, naphthyl, biphenylyl or five- or six-membered hetaryl with one, two or three nitrogens or one oxygen ...
08/22/1995
5420159Pyrethrinoid esters
All possible stereoisomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, alkyl, alkenyl and alkynyl of up to 4 carbon atoms, --CN and aralkynyl of up to 10 carbon a...
05/30/1995
5389619Derivatives of phenylacetic acid, their preparation and their use as pesticides
Compounds of the formula I ##STR1## where n, W, X, Y, Z, R1, R2, and R3 are as defined herein exhibit fungicidal, insecticidal, and acaracidal activity....
02/14/1995
5326785Caffeic acid derivatives and pharmaceutical compositions containing the same
Described are caffeic acid derivatives represented by the following formula: ##STR1## wherein either one of R1 and R2 is a hydrogen atom, a C1 -C6 alkyl group, a group --CO2 R4, or a g...
07/05/1994
5312956Synthesis of low viscosity non-functional terminated polymers
A non-functional liquid rubber is prepared by the solution polymerization of vinyl monomers. The polymer may be a homopolymer or a copolymer. As a copolymer the preferred monomers are a conjugated diene and a vinyl substituted nitrile such as acrylonitril...
05/17/1994
5279764Dihalogenobenzene derivatives
The invention relates to dihalogenobenzene derivatives of the formula I R1 --A1 --Z1 --A2 --(Z2 --A3)n --R2 wherein R1, R2, A1, A2, A...
01/18/1994
5187298Monomers and their use for the production of a laser-optical recording element which can be repeatedly erased and recorded on
Novel laser-optical recording elements which can be repeatedly erased and recorded on contain recording layers (a) which exhibit enantiotropic, ferroelectric smectic liquid crystalline (SC*) behavior, so that they can be switched back and forth...
02/16/1993
5140044UCN-1028D derivatives
A UCN-1028D derivative represented by the formula: ##STR1## has protein kinase C inhibitory activity and is expected to be used as an active ingredient in anti-tumor agents, etc....
08/18/1992
5075031Mesomorphic compound and liquid crystal composition containing the same
A mesomorphic compound represented by the formula: ##STR1## wherein R1 denotes an alkyl group having 1-16 carbon atoms; R2 denotes an alkyl group having 2-10 carbon atoms; X denotes a single bond or --O--; Y denotes --OCH2
12/24/1991
5017705Production of 3,5,6-trichloropyridin-2 ol and novel intermediates thereof
Novel aryl and heteroaryl 4-cyano-2,2,4-trichlorobutyrates are prepared by reacting a corresponding aryl or heteroaryl trichloroacetate with acrylonitrile in the presence of a catalyst. Also provided is a novel process for producing 3,5,6-trichloropyridin...
05/21/1991
5008391Enantioselective synthesis of antifolates
A process and intermediates for the enantioselective synthesis of 5,10-dideaza-5,6,7,8-tetrahydrofolic acid are disclosed....
04/16/1991
4996323Process for the preparation of 3,5,6-trichloropyridin-2-ol
The preparation of 3,5,6-trichloropyridin-2-ol from trichloroacetyl chloride and acrylonitrile is improved by separately conducting the individual addition, cyclization and aromatization steps. By separating the steps, water and HCl, by-products of the la...
02/26/1991
4966726Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive tartaric acid derivatives, and their use as dopants in liquid crystal phases
The new compounds produced from a molecular structural element with two chirality centers and at least one mesogenic structural element are defined by the general formula (I) ##STR1## in which the symbols have the following meaning: Y1 =H,...
10/30/1990
4964893Benzhydryl compounds as herbicide antidotes
Acids, esters, amides and salts of benzhydryl compounds are antidotes for thiocarbamate and acetamide herbicides. These antidote compounds are especially effective to safen acetamide herbicides used to control grassy weeds and broadleaf weeds in rice, sor...
10/23/1990
4914190Tricyanovinyl-N,N-disubstituted anilines as disperse dyes
Disperse dyes of the formula ##STR1## in which X is hydrogen, C1 -C4 alkyl, C1 -C4 alkoxy or halogen, Y is hydrogen, halogen, C1 -C4 alkyl, C1 -C4 alkoxy, C1...
04/03/1990
4874781Pesticides
A compound of formula I I: ArCHR1 CO2 CHDR2 in which formula: Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy, C1 -C6 alkyl or hal...
10/17/1989
4874887Process for the preparation of pyrethroid type ester compounds
The present invention relates to a novel process for the preparation of insecticidally active esters of the general formula (I) ##STR1## wherein R1 and R2 are the same or diferent from each other and represent a hydrogen or a ha...
10/17/1989
4859788Curing components for synthetic resins and their use
Amino group containing curing component (A) for compounds (B) which contain epoxy or 1,3-dioxolan-2-one groups, comprising a reaction product of (a1) active CH alkyl esters of isocyanate adducts thereof with (a2) polyamines. Mixtures...
08/22/1989
4853477Separation of diastereomers of cyclopropanecarboxylic acid esters
A process for the separation of mutually diastereomeric forms of a cyclopropanecarboxylic acid ester of the formula ##STR1## in which R1 represents hydrogen or halogen, R2 represents hydrogen or halogen, R4 represents hydr...
08/01/1989
4845264Phenoxycarboxylic acid and herbicide comprising it as active ingredient
A novel phenoxycarboxylic acid of formula (I) is disclosed. The compound is effective as herbicide for eradicating broad-leaved weeds. A combination of the phenoxycarboxylic acid and a N-phosphonomethylglycine or a glufosinate which is known as a herbicid...
07/04/1989
4822908Substituted acrylates and fungicides containing same
Substituted acrylates of the general formula ##STR1## where R1 and R2 are alkyl, alkenyl or alkynyl, X is hydrogen, halogen, alkyl, alkoxy, tirfluoromethyl, cyano or nitro, Y is ethylene, ethenylene, methyleneoxy, oxymethylene, ...
04/18/1989
4772629Optically active isomers of trans-3-(2-chloro-2-(4-chloro-phenyl)-vinyl)-2,2-dimethyl-cyclopropane-1 -carboxylic acid alpha-cyano-4-fluoro-3-phenoxy-benzyl ester and their use as ectoparasiticides
The invention relates to optically active isomers of trans-3-(2-chloro-2-(4-chloro-phenyl)-vinyl-2,2-dimethyl-cyclopropane-1-ca rboxylic acid ଱- cyano-4-fluoro-3-phenoxy-benzyl ester of Formula (I), to methods for the preparation of said optically ac...
09/20/1988
4761494Preparation of cyanomethyl esters
Cyanomethyl esters are prepared by reacting a carboxylic acid halide with an alpha-hydroxynitrile, a molar excess of a hydrogen halide acceptor and a catalytic amount of a tertiary-aminopyridine or N-methylimidazole....
08/02/1988
4733001Method for preparing a mixture of stereoisomers of ଱-cyano-3-phenoxybenzyl isovalerate ester derivatives having a higher insecticidal and acaricidal activity
A method for preparing a mixture of stereoisomers of ଱-cyano-3-phenoxybenzyl isovalerate ester derivatives, which is rich is an enantiomer pair of a compound having an (S)-configuration on both the acid and alcohol moieties and an enantiomer thereof...
03/22/1988
4686289Anisotropic compounds and liquid crystal mixtures
New anisotropic compounds with a cross-polarizing substituent have the formula (1) ##STR1## The increase in &3xb5;.perp. is achieved by the polarizing group X, preferably the cyano group or a halogen atom, which is not laterally on the ring, as ...
08/11/1987
4622163Anisotropic compounds and liquid crystal mixtures
New anisotropic compounds with a cross-polarizing substituent have the formula (1) ##STR1## The increase in &3xb5;.perp. is achieved by the polarizing group X, preferably the cyano group or a halogen atom, which is not laterally on the ring, as ...
11/11/1986
4584014Ethylideneaminooxyacetic acids and esters
Compounds of the formula ##STR1## wherein R1 is hydrogen, alkyl, cycloalkyl, phenylalkyl, alkoxyalkyl, alkoxyaryl, aryl or an agronomically acceptable cation; R2 and R3 are each independently hydrogen, optionally subs...
04/22/1986
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