Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7825275 | Fluorinated compound, fluoropolymer and method for producing the compound To provide a novel fluorinated compound, a fluoropolymer and a method for producing the compound. A compound represented by the formula CF2═CFCF2C(X)(C(O)OZ)(CH2)nCR═CHR (wherein X is a hydrogen atom, a cyano gr... | 11/02/2010 |
| 7550626 | Process for preparing racemic alkyl-5-halopent-4-enecarboxylic acids or carboxylic esters A process for preparing racemic alkyl-5-halopent-4-enecarboxylic acids and esters thereof of the formula (I), in which R is a C1-C6-alkyl radical, R1 is H or C1-4-alkyl and X is chlorine, bromine or iodine, which comprises... | 06/23/2009 |
| 7442828 | Precursors to fluoroalkanol-containing olefin monomers, and associated methods of synthesis and use The invention provides alkene fluoroalkanol and fluorinated polyol precursors to fluoroalkanol-substituted α,β-unsaturated esters. The fluoroalkanol-substituted α,β-unsaturated esters are olefins that can be readily polymerized to provide fluoroalkanol-substitut... | 10/28/2008 |
| 7442829 | Fluorine-containing monomer, fluorine-containing polymer and surface treating agent Disclosed is a fluorine-containing polymer having: (A) a repeating unit derived from a fluorine-containing monomer which is represented by the following formula: CH2═C(—X)—C(═O)—Y—[—(CH2)m-Z-] | 10/28/2008 |
| 7423170 | Anticancer agents based on regulation of protein prenylation Oncoproteins such as Ras and RhoB are known to induce cell division in an unrestrained manner when such proteins are localized at the inner surface of a cancer cell membrane. The localization is effected by the prenylation reaction, whereby a hydrophobic group (e.g.... | 09/09/2008 |
| 7378542 | Precursors to fluoroalkanol-containing olefin monomers, and associated methods of synthesis and use The invention provides alkene fluoroalkanol and fluorinated polyol precursors to fluoroalkanol-substituted α,β-unsaturated esters. The fluoroalkanol-substituted α,β-unsaturated esters are olefins that can be readily polymerized to provide fluoroalkanol-substitut... | 05/27/2008 |
| 7358387 | Method for producing 2-dihaloacyl-3-amino-acrylic acid esters and 3-dihalomethyl pyrazole-4-carboxylic acid esters The present invention relates to a process for preparing 2-dihaloacyl-3-aminoacrylic esters of the formula (I) by reacting acid halides of the formula (II) with dialkyla... | 04/15/2008 |
| 7297811 | Precursors to fluoroalkanol-containing olefin monomers and associated methods of synthesis and use The invention provides alkene fluoroalkanol and fluorinated polyol precursors to fluoroalkanol-substituted α,β-unsaturated esters. The fluoroalkanol-substituted α,β-unsaturated esters are olefins that can be readily polymerized to provide fluoroalkanol-substitut... | 11/20/2007 |
| 7232925 | Process for producing (4E)-5-chloro-2-isopropyl-4-pentenoate and optically active form thereof The present invention provides processes for producing a (4E)-5-chloro-2-isopropyl-4-pentenoate and an optical isomer of the (4E)-5-chloro-2-isopropyl-4-pentenoate, namely a process for producing a (4E)-5-chloro-2-isopropyl-4-pentenoate represented by the following ... | 06/19/2007 |
| 7202318 | Polymerizable fluorinated ester, manufacturing method, polymer, photoresist composition and patterning process Polymerizable fluorinated ester compounds having formula (1) or (2) are novel wherein R1 is H, methyl or trifluoromethyl, R2 is a divalent hydrocarbon group, R3 is H or a monovalent hydrocarbon group, or R2 and R3 | 04/10/2007 |
| 7196226 | Fluoraminoolefins and fluorination reagents which can be prepared therefrom The present invention relates to fluorination reagents comprising 1-fluoro-1-aminoolefins and also processes for preparing fluorination reagents comprising 1-fluoro-1-aminoolefins. ... | 03/27/2007 |
| 7173147 | Process for producing acrylic ester compound A process for producing an acrylic ester compound includes reacting in the presence of alkene an alcohol represented by the formula (1), wherein R1 represents a hydrogen atom, ... | 02/06/2007 |
| 7148363 | Process for preparing acrylate compound An acrylate compound of formula (4): is produced by allowing an acrylic acid compound of formula (1): to react with an unsaturated compound of formula (2) or... | 12/12/2006 |
| 7135595 | Photoresist composition A photoresist composition is provided that includes a polymer having at least one acrylate or methacrylate monomer having a formula where R1 represents hydrogen (H), a linear or branched alkyl group of... | 11/14/2006 |
| 7084295 | Perfluoroadamantyl acrylate compound and intermediate therefor A perfluoroadamantyl acrylate compound which is highly useful as a raw material for functional resins,etc.;and an intermediate therefore. The perfluoroadamantyl acrylate compound comprises perfluoroadamantane having a CH2═C(R)COO group(wherein R is a hy... | 08/01/2006 |
| 7078562 | Adamantane derivatives and resin compositions using the same as raw material The adamantane derivatives of the present invention which are represented by the general formula (1): wherein X is a hydrogen atom, alkyl, halogen-containing alkyl, halogen, or hydroxyl-, halogen-, nitrile- or et... | 07/18/2006 |
| 7067691 | Process for producing α-substituted acrylic acid esters A process for producing an α-substituted acrylic acid ester represented by the formula [1], wherein each of R1 and R2 is independently a hydrogen atom, methyl group, ethyl group, n-propyl g... | 06/27/2006 |
| 7045662 | α, α-difluoroamines and difluoromethylene-α, α-diazo compounds The present invention relates to a process for preparing α,α-difluoroamines, difluoromethylene-α,α-diazo compounds and fluorination reagents containing α,α-difluoroamines and/or difluoromethylene-α,α-diazo compounds. ... | 05/16/2006 |
| 7034179 | Method for producing a fluorinated ester compound The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester com... | 04/25/2006 |
| 6858748 | Treatment of colon cancer The novel compound of the disclosure is 4-chloro-4-(4-ethoxy-phenyl)-2-(fluoren-9-ylidene-hydrazono)-but-3-enoic acid methyl ester (3F-19), and it alone or in combination with 4-(4-Ethoxy-phenyl)-2-(N′-fluoren-9-ylidene-hydrazino)-2-hydroxy-4-oxo-butyric acid meth... | 02/22/2005 |
| 6852876 | Treatment of colon cancer The novel compound of the disclosure is 4-chloro-4-(4-ethoxy-phenyl)-2-(fluoren-9-ylidene-hydrazono)-but-3-enoic acid methyl ester (3F-19), and it alone or in combination with 4-(4-Ethoxy-phenyl)-2-(N′-fluoren-9-ylidene-hydrazino)-2-hydroxy-4-oxo-butyric acid meth... | 02/08/2005 |
| 6846949 | Fluorine-containing monomeric ester compound for base resin in photoresist composition The invention discloses a novel ester compound of an unsaturated carboxylic acid represented by the general formula in which R1 is preferably a hydrogen atom or methyl group, R2 is preferably a tr... | 01/25/2005 |
| 6784312 | Fluorine-containing acrylate monomers The present invention relates to a polymerizable monomer represented by the general formula (1), wherein R1 is a hydrogen atom, a halogen atom, a hydrocarbon group or a fluorine-containing alkyl group; R2... | 08/31/2004 |
| 6777574 | 2-alkyl-5-halogen-pent-4-ene carboxylic acids and their production Compounds of formula I in the form of their racemates or enantiomers, preferably compounds of formula Ia wherein R4 is C1-C6alkyl, Z i... | 08/17/2004 |
| 6706911 | Preparation of 2-haloacyl-3-aminoacrylic acid derivatives The present invention relates to an improved process for preparing 2-haloacyl-3-aminoacrylic acid derivatives and pyrazole-4-carboxylic acids and derivates thereof obtainable from it. ... | 03/16/2004 |
| 6683202 | Fluorine-containing monomeric ester compound for base resin in photoresist composition The invention discloses a novel ester compound of an unsaturated carboxylic acid represented by the general formula ##STR1## in which R1 is preferably a hydrogen atom or methyl group, R2 is preferably a trifluoromethyl group, R3... | 01/27/2004 |
| 6632949 | Halogenating agents Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th... | 10/14/2003 |
| 6603037 | Ester compounds Acrylic esters containing fluorine at -position and having an alkoxymethyl group introduced into the ester side chain thereof are novel. Polymers obtained from the acrylic esters are improved in transparency, acid elimination and substrate adhesion... | 08/05/2003 |
| 6458990 | Nitrogen-based halogenating agents and process for preparing halogen-containing compounds Disclosed are a fluorinating agent represented by the general formula (1): ##STR1## wherein R1 to R4 are a substituted or unsubstituted, saturated or unsaturated alkyl group or a substituted or unsubstituted aryl group, and can be th... | 10/01/2002 |
| 6388124 | Dihalo-compound and process for producing vitamin A derivative There is disclosed a dihalo-compound of formula (1): ##STR1## wherein X1 and X2 represent different halogen atoms, R represents a hydrogen atom or a protective group for a hydroxyl group, and a process for producing vitamin A derivative v... | 05/14/2002 |
| 6211397 | Process for the preparation of -chloromethylene-triorganylphosphorane derivatives A process for the preparation of -chloromethylene-triorganylphosphorane derivatives I ##STR1## (radicals R are C-organic substituents and A stands for CN or CO-B where B is a C-organic or O-organic radical which is inert under chlorination con... | 04/03/2001 |
| 6090974 | Alkyl 3-oxoalkanoate and process for the preparation thereof This invention includes an alkyl 3-oxoalkanoate, and processes for its preparation and use for the synthesis of fatty hydroxylated amino acids, fatty amino alcohols and ceramides.... | 07/18/2000 |
| 6025521 | Telomerization process for telomerizing ethylenic monomer compounds This invention relates to carbon based initiators for polymerization and telomerization reactions. Polymers produced are useful as water repellants and materials with high temperature resistance. Telomers are useful as intermediates in the production of c... | 02/15/2000 |
| 5916987 | Thiol and Sulfur-containing O-(meth) acrylate compounds and use thereof A sulfur-containing O-(meth)acrylate compound of the following formula (1) is useful as a starting material for a resin composition used in optical applications such as a lens; ##STR1## wherein R represents hydrogen atom or methyl group; 1 represents... | 06/29/1999 |
| 5786504 | Polymerization catalyst promoter Compounds of the formula: ##STR1## wherein n is 1, 2, 3, or 4; X1 and X2 are each, independently, chlorine or bromine; A is O or S; R1 is hydrogen or C1 -C16 alkyl; R2 is C1 -C16... | 07/28/1998 |
| 5717128 | Preparation of alkylesters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid and alkyl esters of 4-halo-2-methyl-2-butenoic acid containing a high percentage of E isomers A process for the preparation of alkyl esters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid containing a high percentage of E isomers, wherein the corresponding alkyl esters of 2-hydroxy-2-methyl-3-butenoic acid are caused to react with PBr3 | 02/10/1998 |
| 5714517 | Fluoroalkenyl compounds and their use as pest repellents Fluorinated alkene compounds useful for and methods of controlling nematodes, insects, and acarids that prey on agricultural crops. Polar compounds, for example, 3,4,4-trifluoro-3-butene-1-amine or 3,4,4-trifluoro-3-butenoic acid, are particularly useful ... | 02/03/1998 |
| 5631398 | Method for the production of (3-alkoxycarbonyl-2-butenyl) triphenylphosphonium salts A processes and intermediates useful for the manufacture of the Wittig ester salts are disclosed. The Wittig ester salts are known as important C5 building blocks for the manufacture of various polyenecarboxylic acid esters in the field of caro... | 05/20/1997 |
| 5534188 | Acetylene derivatives, process for producing the same, liquid crystal composition containing the same as an active ingredient, and liquid crystal element using said liquid crystal composition An acetylene derivative represented by general formula (I): ##STR1## wherein R1 is saturated or unsaturated alkyl group having 3-20 carbon atoms, R2 is saturated or unsaturated alkyl group having 1-20 carbon atoms which may opti... | 07/09/1996 |
| 5527951 | Polymerization catalyst and process Tert-alkylmethoxy-substituted vanadium compounds, several of which are novel, are useful as catalysts for the polymerization of ethylene or the copolymerization of ethylene with alphaolefins and (optionally) nonconjugated polyenes. Also disclosed is a nov... | 06/18/1996 |
