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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 568/369 - Tetracyclo ring system (e.g., homo steroids, etc.)


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the polycyclo ring system consists of
No. of patents: 15
Last issue date: 04/21/2009


NumberTitleIssue Date
7521581Catalyst composition and process for producing cross-coupled compound using same
A catalyst composition for a cross-coupling reaction comprising a nickel salt-amine complex of formula (1), and triphenylphosphine. where R1 thru R4 independently represent alkyl, aryl, heteroaryl or a...
04/21/2009
7138520Coordination complexes having tethered therapeutic agents and/or targeting moieties, and methods of making and using the same
In part, the present invention is directed to coordination complexes comprising a therapeutic agent. In one aspect, the subject compositions comprise a platinum metal center and a covalently attached therapeutic agent. ...
11/21/2006
7081552Catalysts for cycloalkanes oxidation and decomposition of cycloalkyl hydroperoxide
A cyclic ketone/alcohol mixture is prepared by catalytic oxidation of the corresponding cycloalkane or catalytic decomposition of the corresponding cycloalkyl hydroperoxide. Gold supported on a porous crystalline silicate containing less than about 2 wt. % aluminum ...
07/25/2006
6770414Additive for photoresist composition for resist flow process
The present invention provides an additive for a photoresist composition for a resist flow process. A compound of following Formula 1 having low glass transition temperature is added to a photoresist composition containing a polymer which is not suitable for the res...
08/03/2004
5332847Process for the preparation of 21-bromo-4-pregnene-3,20-dione derivatives
A process is disclosed for the preparation of 21-bromo-4-pregnene-3,20-dione derivatives of general Formula I ##STR1## wherein R1 is a hydrogen atom, a hydroxy group or an alkanoyl group of up to 6 carbon atoms, R2 symbolizes a ...
07/26/1994
5028631Homoandrostan-17-one and homoandrosten-17-ones
Compounds of the formula: ##STR1## useful as anti-cancer agents, anti-obesity agents, anti-hyperglycemic agents, anti-aging agents, anti-hyperglycemic agents and anti-autoimmune agents....
07/02/1991
4874898Novel substituted anthrasteroid derivatives
Substituted anthrasteroid derivatives represented by the following formula: ##STR1## wherein R is hydrogen or lower alkyl; X is hydrogen, lower alkyl, halogen, hydroxy, hydroxymethyl, or halomethyl; Y is C.dbd.O, CH~OR', or OH C R", wherein R' is hyd...
10/17/1989
4812393Fluorescent dyes and biological and analytical uses thereof
Substituted 4-oxo-4H-benz-[d,e] anthracenes are fluorescent dyes which are useful in biomedical studies and analytical determinations. They are particularly useful in assays for living organisms, e.g. microorganisms, carried out at a pH of 9 or less. For ...
03/14/1989
4275251Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon ...
06/23/1981
4100110Isolongifolene Prins reaction compounds in perfumery
Novel compounds of use in perfumery are obtained by performing a Prins reaction on isolongifolene. They include novel primary and secondary alcohols, their esters and the corresponding aldehydes and ketones....
07/11/1978
4076748Polycyclic scents
New polycyclic Diels-Alder adducts which are formed on reaction of 8-vinyl-tricyclo-[5,2,1,02,6 ]-dec-8-ene or 8-hydroxy-8-vinyl-tricyclo-[5,2,1,02,6 ]-decane with alkenes or alkynes having one or two activating substituents, e.g., -...
02/28/1978
4059630Anti-androgenic steroids
The present invention relates to certain new and useful steroids which demonstrate anti-androgenic properties. These steroids are 5,10-secosteroids that have been found to be potent irreversible inhibitors of the enzyme Ɗ5 -3-ketosteroid isome...
11/22/1977
4058568Hexahalo-1,4-dihydro-1,4-methanonaphthalene-5,8-diol phenylsulfones
A fire retardant system comprising a compound having within its structure the 1,2,3,4,9,9-hexahalo-1,4-dihydro-1,4-methanonaphthalene-5,8-dione or 1,2,3,4,9,9-hexahalo-1,4-dihydro-1,4-methanonaphthalene-5,8-dioxy nucleus or a compound which is capable of ...
11/15/1977
4051076Aroma chemicals
Compounds represented by the structural formulae ##STR1## wherein n is an integer 0 or 1; A, B and C each independently represent hydrogen or alkyl having from 1 to 3 carbon atoms, provided that when n is 0 at least one of A, B or C cannot be hydroge...
09/27/1977
3991123Tetracyclic alcohols
Described is a genus of novel compounds, defined by the generic structure: ##SPC1## Wherein n is 0 or 1 and X is selected from the group consisting of 1,2-cyclo-propylene having the structure: ##SPC2## And 1,2-ethenylene having the structure: ##SPC3#...
11/09/1976
 
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