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.
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| Number | Title | Issue Date |
| 6800619 | Caspase inhibitors and uses thereof Described herein are compounds that are useful as caspase inhibitors having the formula: wherein Ring A is an optionally substituted piperidine, tetrahydroquinoline or tetrahydroisoquinoline ring; R1 is hydrog... | 10/05/2004 |
| 6696468 | (S)-4-AMINO-5-CHLORO-2-METHOXY-N-[1-[1-(2-TETRAHYDROFURYL-CARBONYL)-4-PIPER IDINYLMETHYL]-4-PIPERIDINYL]BENZAMIDE, PROCESS FOR THE PREPARATION THEREOF, PHARMACEUTICAL COMPOSITION CONTAINING THE SAME, AND INTERMEDIATE THEREFOR (S)-4-Amino-5-chloro-2-methoxy-N-[1-[1-(2-tetrahydrofuryl-carbonyl) -4-piperidinylmethyl]-4-piperidinyl]benzamide of the following formula (I): ##STR1## or a pharmaceutically acceptable acid addition salt thereof, or a hydrate thereof, and a process ... | 02/24/2004 |
| 6399820 | Process and reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom of the sulphanilide function The present invention relates to a process and a reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom of the sulphanilide function. This persulphonylation process is characterized in that it comp... | 06/04/2002 |
| 6399821 | Process for the synthesis of perfluorosulphonamides, of perfluorosulphonimides and of their salts, and a sulphonylation reagent The invention concerns a method of sulphonation characterised in that it consists in contacting a nucleophile whose nucleophilic atom is a nitrogen atom with a reagent comprising by successive or simultaneous addition: a heavy sulphonyl halide (i.e. whose... | 06/04/2002 |
| 6388081 | 4-substituted-quinoline derivatives and 4-substituted-quinoline combinatorial libraries The present invention relates to novel 4-substituted quinoline compounds of the following formula, libraries containing such compounds, and to the generation of such combinatorial libraries composed of such compounds: ##STR1## wherein R1, R | 05/14/2002 |
| 6140341 | Aminoalkyl and acylaminoalkyl ethers, process for their preparation, and their use as bradykinin receptor antagonists Aminoalkyl and acylaminoalkyl ethers which are distinguished by high affinity for the bradykinin B2 receptor and improved solubility in water are described. These aminoalkyl and acylaminoalkyl ethers can be represented by the formula (I) #... | 10/31/2000 |
| 6114380 | Difluoro statone analogs This invention relates to novel difluoro statone analogs, to the processes and intermediates useful for their preparation and to their use as anti-viral agents.... | 09/05/2000 |
| 6103904 | Skraup reaction process for synthesizing quinolones The present invention relates to an improved Skraup reaction process wherein pressure is applied during the reaction and the number of equivalents of sulfuric acid utilized is reduced.... | 08/15/2000 |
| 5840902 | Process for the preparation of beta-hydroxyalkypicolinium salts ଲ-Hydroxyalkylpicolinium salts of the formula (I) ##STR1## wherein A, R1 to R3 and X have the meanings given in the description, which are obtained by reaction of picolines of the formula (II) ##STR2## with alkyl... | 11/24/1998 |
| 5658928 | Amino acid derivatives N-Acyl--aminocarboxylic acid derivatives of the formula ##STR1## wherein L, R' to R'" and Q have the significance given in the description, can be used for the treatment or prophylaxis of illnesses which are caused by the binding of adhesive p... | 08/19/1997 |
| 5475119 | Diallylammonium compounds, processes for their preparation and their use Ionic monomeric diallylammonium compounds having a targeted combination of diallylammonium cations with selected anions have particularly high and constant charge control properties and very good heat stabilities and dispersibilities. The compounds accord... | 12/12/1995 |
| 5446165 | Crystalline 1-alkyl-2-quinolinium salts The invention concerns quinolinium salt intermediates of the formula I ##STR1## and processes for their manufacture; and their use in the manufacture of aryloxymethyl-substituted 1-alkyl-2-quinolone derivatives which are 5-lipoxygenase inhibitors.... | 08/29/1995 |
| 5283245 | Heterocyclic thiazole derivatives and pharmaceutical compositions comprising said derivatives The invention concerns a thiazole of the formula I, ##STR1## wherein Q1 is an optionally substituted 6-membered monocyclic or 10-membered bicyclic heterocyclic moiety containing one or two nitrogen atoms; X is oxy, thio, sulphinyl, sulphon... | 02/01/1994 |
| 5260442 | Process for the manufacture of crystalline quinolinium salts and their oxidation to 1-alkyl-2-quinolones The invention concerns quinolinium salt intermediates of the formula I ##STR1## and processes for their manufacture; and their use in the manufacture of aryloxymethyl-substituted 1-alkyl-2-quinolone derivatives which are 5-lipoxygenase inhibitors.... | 11/09/1993 |
| 5204344 | (Quinolin-2-ylmethoxy)indoles as inhibitors of the biosynthesis of leukotrienes Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating diarrhea, hypertension, a... | 04/20/1993 |
| 5053537 | Ammonium and iminium compounds Ammonium compounds of the formula (I) ##STR1## in which at least one of the radicals R1 to R4 denotes a fluorine-containing alkyl radical having 4 to 30 carbon atoms and not more than three of the radicals R1 to R | 10/01/1991 |
| 4892899 | Novel compositions based on tetrachloroisoindolinone pigments Composition of matter containing (a) a compound of the formula I ##STR1## in which A is one of the groups of the formulae ##STR2## in which B is --O--, --S--, --SO2 --, --N.dbd.N--, --CH2 --, --CH.dbd.CH--, ##STR3## ... | 01/09/1990 |
| 4889934 | Organic mixed complex Novel organic mixed complexes are provided which have the general formula D+.[A.TCNQ] wherein D+ is an N-alkylonium cation derived from a nitrogen-containing hetercyclic compound (D) selected from the group consisting of pyridines, guino... | 12/26/1989 |
| 4885368 | Radical ion salts Novel radical ion salts of the formula ##STR1## wherein R1, R2, R3 and R4 independently of one another are each hydrogen, methyl, ethyl, phenyl, methoxy, ethoxy, fluorine, chlorine or bromine, or R1 | 12/05/1989 |
| 4865650 | Novel compositions based on tetrachloroisoindolinone pigments Composition of matter containing: (a) a compound of the formula I ##STR1## in which A is one of the groups of the formulae ##STR2## in which B is --O--, --S--, --SO2 --, --N.dbd.N--, --CH2 --, --CH.dbd.CH--, --O--CH2... | 09/12/1989 |
| 4855423 | Preparation of sulfatobetaines Sulfatobetaines are prepared by reacting an addition compound of sulfur trioxide and a tertiary amine with an alkylene carbonate.... | 08/08/1989 |
| 4824955 | Selenium oxy chloride-pyridine or bipyridine complexes This invention relates to the novel selenium compounds which are useful as an antineoplastic agent. The compounds are represented by the general formula (I): wherein R, X, A and Y represent the groups specified below, a represents a number of 0 or 1, b re... | 04/25/1989 |
| 4801713 | Organic complexes of a cation of a heterocyclic nitrogen compound and an anion of a 2,5-disubstituted-7,7,8,8-tetracyanoquinodiethmane Novel, highly electroconductive organic complexes are disclosed which have the general formula wherein the constituent D+ is an N-alkyl-onium cation (D+) derived from a nitrogen-containing heterocyclic compound (D) selected from the ... | 01/31/1989 |
| 4764217 | Novel compositions based on isoindoline pigments Composition containing (a) an isoindoline pigment of the formula I ##STR1## and (b) a compound of the formula II ##STR2## Pigment mixtures of this kind, in particular when used in paints, are distinguished in particular by increased tinctorial... | 08/16/1988 |
| 4672118 | N-(hydrophobe aromatic)pyridinium compounds Corrosion of metal surfaces in contact with an aqueous medium is inhibited by incorporating a N-(hydrophobe aromatic)pyridinium compound such as N-(p-dodecylphenyl)-2,4,6-trimethylpyridinium sulfoacetate into the aqueous medium.... | 06/09/1987 |
| 4587296 | Organic thiosulphates and thiosulphonates useful as stabilizing agents for rubber vulcanisates Additives for rubber compositions, giving vulcanisates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO2 R linked by an organic bridging group, or polymers containing t... | 05/06/1986 |
| 4504304 | 6-Oxabicyclo(3.2.2.)nonan-4-ol ether herbicides Novel compounds of the formula ##STR1## wherein R1, R2 and R3 are H or alkyl and R is an optionally-substituted unsaturated, cycloalkyl, secondary-alkyl, aromatic or heterocyclic group, are useful as plant growth regu... | 03/12/1985 |
| 4440570 | Process for purifying and recovering contaminated catalyst solution obtained in the carbonylation of methyl acetate and/or dimethylether The disclosure relates to a process for purifying and recovering a contaminated catalyst solution which is obtained in the carbonylation of methyl acetate and/or dimethylether, the catalyst solution containing carbonyl complexes of noble metals of group V... | 04/03/1984 |
| 4309541 | Piperidinyl-lactams N-[1-(4-amino-2-quinazolinyl)-3 or 4-piperidinyl]-lactams, e.g., those of the formula ##STR1## and salts thereof are antihypertensive agents.... | 01/05/1982 |
| 4267122 | Aminosulfonylcarboxylic acids and their substituted ammonium salts Aminosulfonylcarboxylic acids and their manufacture from diamines and chlorosulfonylcarboxylic acids.... | 05/12/1981 |
| 4246414 | 2-Alkoxyalkoxy-5-nitrobenzenesulfonic acid and salt thereof A 2-alkoxyalkoxy-5-nitrobenzenesulfonic acid or a salt thereof represented by the following general formula (I): ##STR1## wherein R1 represents an alkylene group having 2 or more carbon atoms; R2 represents an alkyl group; and M... | 01/20/1981 |
| 4214083 | Process for decolorizing lubricating oil additives Lubricating oil additives, including the calcium salts of sulfurized alkylphenols and dispersants consisting of the reaction products of halogenated polyalkylenes and heterocyclic amines, are substantially decolorized by treatment with small amounts of al... | 07/22/1980 |
| 4212709 | Acidic nickel electroplating bath containing sulfobetaines as brighteners and levelling agents An acidic nickel electroplating bath containing brighteners and levelling agents, wherein the levelling agents are compounds of the formula I ##STR1## where N is a hetero-aromatic nitrogen base, R, R1 and R2 are hydrogen or al... | 07/15/1980 |
| 4100200 | Use of novel ethers as oxydimethylating agents A compound having the formula wherein R is alkyl, is prepared by reacting a compound having the formula ##STR1## wherein R and R' are alkyl with a cyclic polyoxymethylene or a linear polyoxymethylene in a substantially humidity-free environment. The ... | 07/11/1978 |
| 4060522 | Sulfonamido containing carboxylic acids Amidosulfocarboxylic acids, their preparation from primary or secondary amines and chlorosulfocarboxylic acids, and their use as anticorrosive agents.... | 11/29/1977 |
| 3963769 | Substituted trimethylene cyclopropanes, salts thereof, intermediates and methods of making the same Trimethylenecyclopropane wherein all six hydrogen atoms are symmetrically substituted with cyano, alkoxycarbonyl or carbacyl groups and which are salt-forming can be made by reacting tetrachlorocyclopropene with the appropriate active methylene compound s... | 06/15/1976 |
| 3941792 | Charge transfer complexes containing 7,7,8,8-tetracyanoquinodimethane and an N-substituted quaternary quinoline Charge transfer complexes composed of 7,7,8,8-tetracyanoquinodimethane and a quaternary nitrogen-containing heterocyclic compound, the hydrogen at N-position of the heterocyclic compound being substituted by a group such as an alkyl group, an alkylene gro... | 03/02/1976 |
| 3936480 | Additives for improving the dispersing properties of lubricating oil New lubricating oil additives are provided comprising the reaction product of a hydroxy compound, such as an alcohol or hydroxyaromatic compound, with an aliphatic chain substituted-carboxylic anhydride, acid, chloride, or ester, which aliphatic chain sub... | 02/03/1976 |