Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7071272 | Method for preparing unsaturated compound by pyrolysis reaction The present invention provides a method for preparing a compound of CF3CF2CF2OCF═CF2 by pyrolyzing a compound expressed by CF3CF2CF2OCF(CF3)COOCF2CF(CF3)O... | 07/04/2006 |
| 7001647 | Perfluoroallyloxy compound and liquid crystal composition containing the same A novel perfluoroallyloxy compound represented by general formula (I) and a liquid crystal composition containing the compound are disclosed. The perfluoroallyloxy compound is useful as a liquid crystal material ... | 02/21/2006 |
| 6958405 | Polymer-encapsulated titanium zeolites for oxidation reactions Catalysts useful for oxidation reactions are disclosed. The catalysts comprise a polymer-encapsulated titanium zeolite. The catalysts are easy to prepare and use, they are easy to recover and reuse, and they provide good conversions in a variety of important oxidati... | 10/25/2005 |
| 6037487 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters A method of using compounds of formula I ##STR1## in which the C.dbd.C double bond is present in E and/or Z configuration and the variables R1, R2, R3 and R4 have the meanings defined in the specification d... | 03/14/2000 |
| 5959058 | Coatings based on fluoropolyethers Use of fluorinated polymers based on fluoropolyethers for the preparation of crosslinkable high dry formulations comprising a fluorinated part RF and optionally an hydrogenated part RH, not containing groups capable of linking by mea... | 09/28/1999 |
| 5717037 | Process for producing perfluoro unsaturated nitrile compounds A perfluoro unsaturated nitrile compound represented by the following general formula: CF2 .dbd.CFO(CF2)nOCF(CF3)CN is produced by reaction of chlorine or bromine to a perfluoro unsaturated carboxylic acid ester represented by ... | 02/10/1998 |
| 5621145 | Bisamidoxime compound, process for preparing the same and a fluorine-containing elastomer composition comprising the same When a novel bisamidoxime compound represented by the following general formula: ##STR1## where R is an alkylidene group having 1 to 6 carbon atoms, or a perfluoroalkylidene group having 1 to 10 carbon atoms, is used as a vulcanizing agent for f... | 04/15/1997 |
| 5393917 | Isolation and purification of oxadimethacrylics A process for isolating and purifying oxadimethacrylics of the general formula I CH2 .dbd.C(A)CH2 --O--CH2 C(B).dbd.CH2 I where A and B are selected from the group consisting of --COOR1, --COR1,... | 02/28/1995 |
| 5304661 | Substituted-acyclic terpene compound Acyclic terpene compounds useful as intermediates for producing sarcophytol A which have an anti-carcinogenic promotor activity and anti-tumor activity, which compounds are shown by the general formula (I): ##STR1##... | 04/19/1994 |
| 5294602 | 3-(hexenyloxy)-propane-nitrile, its production and use The 3-(hexenyloxy)-propane-nitriles of general formula A, in which R1 and R2 are optionally a hydrogen atom or a methyl group and R3 is an unbranched hexenyl group, are new and are useful as odour materials such as ingredi... | 03/15/1994 |
| 5268511 | Production of trifluorovinyl ethers A two step process, each of the steps being novel, for the production of trifluorovinyl ethers by reaction of a siloxane with selected acyl fluorides or carboxylic anhydrides, is disclosed. Also disclosed is a novel silyl ester intermediate.... | 12/07/1993 |
| 5229107 | Sunscreen agents, sunscreen compositions and methods for preventing sunburn The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbin... | 07/20/1993 |
| 5077426 | Preparation of alpha-formylamino nitriles A process for preparing -formylamino nitriles of the formula Ia ##STR1## and Ib ##STR2## where R1, R2, R3 and R4 are identical or different and each is hydrogen or unsubstituted or substituted, ... | 12/31/1991 |
| 5077427 | Preparation of alpha-formylamino nitriles A process for preparing -formylamino nitriles of the formula I ##STR1## where R1 and R2 are each hydrogen or unsubstituted or substituted, with substituents which are inert under the reaction conditions, aliphatic or hete... | 12/31/1991 |
| 5030748 | Water treatment polymers and methods of use thereof New composition of monomers and polymers and their methods of use are disclosed. The polymers are water soluble and are composed of repeat units formed from an ethylenically unsaturated compound, and repeat units formed from substituted allyloxy alkylenes... | 07/09/1991 |
| 5023362 | Alkyl perfluoro(2-methyl-5-oxo-3-oxahexanoate) Ketoester of the formula ##STR1## -carboxylate-ω-acyl fluoride of the formula ##STR2## vinyl ether of the formula ##STR3## divinyl ether of the formula ##STR4## allyl ether of the formula ##STR5## and film-formin... | 06/11/1991 |
| 4879310 | New cyanohydrin iodopropargyl ethers, process for their preparation and their use as microbicides The invention relates to new cyanonhydrin iodopropargyl ethers of the formula ##STR1## in which R denotes C1 -C10 -alkyl, C2 -C10 -alkenyl, C5-C.sub.8 -cycloalkyl or -cycloalkenyl, which can be o... | 11/07/1989 |
| 4851161 | ଲ-substituted polyfluoropropionate salts and derivatives ଲ-substituted polyfluoropropionate salts, derivatives and copolymers and processes for the preparation thereof.... | 07/25/1989 |
| 4834922 | Process to produce novel fluorocarbon vinyl ethers and resulting polymers Novel vinyl ethers are prepared in decarboxylation reactions of novel acid fluoride compounds according to the following reaction: ##STR1## wherein a is 0 or an integer greater than 0; b is 0 or an integer greater than 0; n=1 or an integer greater than 1;... | 05/30/1989 |
| 4797492 | Polyfluoroalkylisoxazolylamines A novel compound useful as an intermediate for synthesizing pesticides and medicines of the formula: ##STR1## in which: R is alkyl having plural florines; R1 is hydrogen, alkyl, halogen or optionally substituted phenyl; and R2 i... | 01/10/1989 |
| 4686236 | 3-(3-iodopropargyloxy)-propionitrile, a process for its preparation and its use 3-(3-iodopropargyloxy)-propionitrile of the formula is prepared by iodination of propargyloxypropionitrile. The 3-(3-iodopropargyloxy)-propionitrile is used as an active compound in microbicidal agents.... | 08/11/1987 |
| 4667051 | Preparation of cyano-substituted enol ethers Compounds of the formula I ##STR1## where R is alkyl of 1 to 10, preferably 1 to 4, carbon atoms, X is O or S, Y is hydrogen or nitrophenyl which is unsubstituted or substituted by chlorine, bromine, methoxy or methyl, when n is 1, and is C2 | 05/19/1987 |
| 4578512 | Process to produce novel fluorocarbon vinyl ethers and resulting polymers Novel vinyl ethers are prepared in decarboxylation reactions of novel acid fluoride compounds according to the following reaction: ##STR1## wherein a is 0 or an integer greater than 0; b is 0 or an integer greater than 0; n=1 or an integer greater than 1;... | 03/25/1986 |
| 4576759 | Polysubstituted dienes The polysubstituted dienes according to the invention correspond to the general formula: ##STR1## in which: X denotes a group chosen from the groups SH, SR3, OR3, SeR3, NHR3 and N.dbd.R3 in which... | 03/18/1986 |
| 4543215 | -iminodiacetonitriles and their preparation Novel -iminodiacetonitriles are prepared by a process in which an aldehyde-cyanohydrin or a haloacetonitrile is reacted with an aminonitrile, the reaction being carried out in the presence of a lower alkanol in the case of the preparation of symmet... | 09/24/1985 |
| 4534910 | Method of preparing acetals and enol ethers from acyloxymethylene compounds Enol ethers of the formula ##STR1## and/or the corresponding acetals can be obtained from acyloxymethylene compounds of the corresponding structure by reaction with the corresponding alcohol, in the presence of acid catalysts if desired.... | 08/13/1985 |
| 4504421 | Process for producing an acetal An acetal is produced at a high yield and a high selectivity by contacting an olefin and an alcohol with each other in the presence of (a) a nitrite, (b) a platinum group metal or the salts thereof and (c) a halide at a high reaction rate without requirem... | 03/12/1985 |
| 4501705 | Process for producing an acetal An acetal is produced at a high yield and a high selectivity by contacting an olefin and an alcohol with each other in the presence of (a) a nitrite, (b) a platinum group metal or the salts thereof and (c) a halide at a high reaction rate without requirem... | 02/26/1985 |
| 4490560 | Decolorizing polymers of epihalohydrin Water-clear liquid polymers of epihalohydrin are obtained by passing said polymers or their solutions, that are yellow to dark brown, through a column of amorphous silica.... | 12/25/1984 |
| 4474700 | ଲ-Substituted polyfluoropropionate salts and derivatives ଲ-substituted polyfluoropropionate salts, derivatives and copolymers and processes for the preparation thereof.... | 10/02/1984 |
| 4414159 | Vinyl ether monomers and polymers therefrom Vinyl ether monomers derived from diesters of the formula: ##STR1## wherein R is CH3 or C2 H5 and n is 0 to 10; copolymers of the vinyl ether monomers with one or more selected perfluorinated monoolefins; articles of ... | 11/08/1983 |
| 4410465 | Preparation of butadiene dinitriles Butadiene dinitriles are prepared by reacting a quaternary ammonium compound with malodinitrile in the presence of an alkanol and then reacting the product with an alkali metal compound. The butadiene dinitriles obtainable by the process of the invention are ... | 10/18/1983 |
| 4379901 | Polyfluoroallyl ethers and their production and use A polyfluoroallyl ether of the formula: ##STR1## wherein each X, which is the same or different, is a chlorine atom or a fluorine atom and each Y, which is the same or different, is a hydrogen atom, a chlorine atom or a fluorine atom, which is useful... | 04/12/1983 |
| 4361702 | Process for the preparation of trans-3-formylbut-2-enenitrile A process is provided for the preparation of trans-3-formylbut-2-enenitrile (V), a key intermediate in the synthetic pathway leading to trans-zeatin (I) and dihydrozeatin (II), both of which are naturally occurring cytokinins. The process involves a base ... | 11/30/1982 |
| 4335141 | 2-Substituted-aminopropene-and propanenitrile antimicrobial and anti-inflammatory agents 2-Substituted-aminopropene and propanenitriles of the formula: ##STR1## are effective antimicrobial agents (compounds of Formula II.), and potent anti-inflammatory agents of decreased acute toxicity (compounds of Formula I.).... | 06/15/1982 |
| 4335255 | Alkyl perfluoro (2-methyl-5-oxo-3-oxahexanoate) Ketoester of the formula ##STR1## -carboxylate-ω-acyl fluoride of the formula ##STR2## vinyl ether of the formula ##STR3## divinyl ether of the formula ##STR4## allyl ether of the formula ##STR5## and film-formin... | 06/15/1982 |
| 4334082 | Dialkyl perfluoro-ω-fluoroformyl diesters and monomers and polymers therefrom Diesters of the formula: ##STR1## wherein R is CH3 or C2 H5 and n is 0 to 10; vinyl ether monomers derived therefrom; copolymers of the vinyl ether monomers with one or more selected perfluorinated monoolefins; articl... | 06/08/1982 |
| 4319024 | Method of preparing ଲ-alkoxyacrlonitriles A process for the preparation of a ଲ-alkoxyacrylonitrile of the formula where R is hydrogen or an alkyl moiety, among others, by contacting a compound of the formula where Me is an alkali metal or alkaline earth metal and is 1 or 2 respectiv... | 03/09/1982 |
| 4273728 | Polyfluoroallyloxy compounds, their preparation and copolymers therefrom The reaction of a polyfluorocarbonyl compound such as a polyfluoroketone or polyfluorocarboxylic acid fluoride with fluoride ion and a polyfluoroallyl chloride, bromide or fluorosulfate produces a polyfluoroallyloxy compound, e.g., CF2 .dbd.CFC... | 06/16/1981 |
| 4138426 | Alkyl perfluoro-ω-fluoroformyl esters and monomers therefrom Alkyl perfluoro-ω-fluoroformyl esters are provided which have the formula ##STR1## wherein R is alkyl of 1-6 carbon atoms, and N IS 0-6 (PREFERABLY 0). Compounds where n is 0 are prepared by contacting SO3 with a compound of the formula C... | 02/06/1979 |
