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| Number | Title | Issue Date |
| 8173809 | Cysteine and cystine prodrugs to treat schizophrenia and reduce drug cravings The present invention provides cysteine and cystine prodrugs for the treatment of schizophrenia and drug addiction. The invention further encompasses pharmaceutical compositions containing prodrugs and methods of using the prodrugs and compositions for treatment of ... | 05/08/2012 |
| 7709639 | Catalysis of diketopiperazine synthesis Provided is a method for the synthesis of N-protected bis-3,6-[4-aminobutyl]-2,5-diketopiperazine including the step of heating a solution of ε-amino protected lysine in the presence of a catalyst selected from the group consisting of sulfuric acid, phosphoric acid... | 05/04/2010 |
| 7288545 | Piperazinedione compounds This invention relates to a method for treating an angiogenesis-related disease. The method includes administering to a subject in need thereof an effective amount of a piperazinedione compound having the formula: | 10/30/2007 |
| 7132424 | Monocyclic derivatives as matrix metalloproteinase inhibitors This invention provides compounds defined by Formula I R1-Q-D-(V1)m—R2I or a pharmaceutically acceptable salt thereof, wherein R1, Q, D, V1, m,... | 11/07/2006 |
| 7067693 | Deeply reduced oxidation catalyst and its use in preparing N-(phosphonomethyl) glycine compounds This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic oxidative environment and in the presence of solvents, reactants, interme... | 06/27/2006 |
| 6972289 | Cell division inhibitor and a production method thereof The present invention relates to a cell division inhibitor comprising various dehydrodiketopiperazines such as dehydrophenylahistin, or analogs thereof as an active ingredient, and a dehydrogenase and a method for producing the same inhibitor. ... | 12/06/2005 |
| 6967202 | Method of synthesizing diketopiperazines The invention provides a method of synthesizing a diketopiperazine of the formula: wherein: R1 is —CH2COR3, or —CH2CH2COR | 11/22/2005 |
| 6951861 | Chemical compounds The invention relates to piperazine derivatives, to processes for their preparation, to pharmaceutical compositions containing them, and to their medical use. The novel compounds are antagonists of tachykinins, including substance P and other neurokinins. ... | 10/04/2005 |
| 6900213 | Bisaryl derivatives having FSH modulatory activity The invention relates to bisaryl derivatives of the formula I, wherein (R,R) is selected from (H,H), O, (H,CH3), (H,OH) and (H,CN); Ar is substituted phenyl and A is a group of formula II, III, IV ... | 05/31/2005 |
| 6818645 | Benzocycloalkylenylamine derivatives as muscarinic receptor antagonists This invention relates to compounds which are generally muscarinic M2/M3 receptor antagonists and which are represented by Formula I: wherein X, Y, and Z are O, S, or NR4, and the other substituents are as d... | 11/16/2004 |
| 6642225 | Diazacycloalkanedione derivatives Compounds of formula I ##STR1## wherein R is carboxy, esterified carboxy or amidated carboxy; R1 and R3 are independently lower alkyl, (hydroxy, lower alkoxy, amino, acylamino, mono- or di-lower alkylamino or mercapto)-lower alkyl, ... | 11/04/2003 |
| 6525042 | Sulfonyl derivatives Sulfonyl derivatives represented by general formula (I), salts of the same, and solvates of both: and application of them as drugs: [wherein R1 is hydrogen, hydroxyl, nitro or the like; R2 and R3 are each independently hyd... | 02/25/2003 |
| 6387389 | Sustained-release derivatives of hydroxylated analogs of substituted 1-[2[bis(aryl)methoxy]ethyl]-piperazines and -homopiperazines and their use The present invention provides sustained-release derivatives of hydroxylated analogs of substituted 1-[2[bis(aryl)methoxy]ethyl]-piperazines and -homopiperazines, pharmaceutical compositions comprising the same, and a method of using such sustained-r... | 05/14/2002 |
| 6376708 | Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts This invention is directed to a process for making a salt of a carboxylic acid. The process comprises contacting a catalyst with an alkaline mixture comprising a primary alcohol. In one embodiment, for example, the catalyst comprises a metal support (pref... | 04/23/2002 |
| 6369063 | Selective factor Xa inhibitors Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.... | 04/09/2002 |
| 6271232 | Collagenase-1 and stromelysin-1 inhibitors, pharmaceutical compositions comprising same and methods of their use Novel inhibitors of metalloproteases, in particular collagenase-1 and stromelysin-1, are disclosed. Such compounds are useful in pharmaceutical compositions and methods for treating or controlling disease states or conditions which involve tissue breakdow... | 08/07/2001 |
| 6211183 | Selective factor Xa inhibitors Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.... | 04/03/2001 |
| 6204268 | Selective factor Xa inhibitors Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.... | 03/20/2001 |
| 6153753 | Method of preparing amino carboxylic acids Process for the preparation of an N-acyl amino carboxylic acid by means of a carboxymethylation reaction. In this reaction, a reaction mixture is formed which contains a base pair, carbon monoxide, hydrogen and an aldehyde with the base pair comprising a ... | 11/28/2000 |
| 6107274 | Piperazines as inhibitors of fructose-1,6-bisphosphatase (FBPase) Compounds of formula A are disclosed: ##STR1## wherein R1 is aralkyl or cycloalkyl; R2 is cycloalkylmethyl, alkyl, or aralkyl; R3 is hydrogen, alkyl, substituted phenyl (including p-phenoxy-phenyl), or fluorene; R | 08/22/2000 |
| 6020373 | Chelate derivatives as protectors against tissue injury Derivatives useful in the protection of living organisms against damage due to free radical reactions derived from methoxypolyethylene glycols (MPEG), which are modified by chemically attaching chelating groups in an amide or amine linkage to the nonmethy... | 02/01/2000 |
| 5994543 | Antibiotic bravomicins A novel class of antibiotics, designated bravomicins, is obtained by fermentation of a strain of Micromonospora polytrota. Six bioactive compounds, designated bravomicins A, B, C, D, E and F, are obtained and found to be useful in the treatment of a wide ... | 11/30/1999 |
| 5990112 | Inhibitors of metalloproteases pharmaceutical compositions comprising same and methods of their use Novel inhibitors of metalloproteases are disclosed. Such compounds are useful in pharmaceutical compositions and methods for treating or controlling disease states or conditions which involve tissue breakdown, such as rheumatoid arthritis.... | 11/23/1999 |
| 5977359 | Substituted heterocyclic compounds, method of preparing them and pharmaceutical compositions in which they are present The invention relates to compounds of the formula ##STR1## in which: A is a divalent radical selected from: A1) --O--CO-- A2) --CH2 --O--CO-- A3) --O--CH2 --CO-- A4) --O--CH2 --CH | 11/02/1999 |
| 5935955 | Pharmaceutical piperazine compounds A piperazinedione of general formula (I): ##STR1## wherein R1 is selected from hydrogen; a group of formula --(NH)t --COR3 wherein t is 0 or 1 and R3 is an organic substituent as defined herein; a group of formu... | 08/10/1999 |
| 5932579 | Collagenase-1 and stromelysin-1 inhibitors, pharmaceutical compositions comprising same and methods of their use Novel inhibitors of metalloproteases, in particular collagenase-1 and stromelysin-1, are disclosed. Such compounds are useful in pharmaceutical compositions and methods for treating or controlling disease states or conditions which involve tissue breakdow... | 08/03/1999 |
| 5919777 | Compounds with growth hormone releasing properties The present invention relates to novel compounds of the general formula I ##STR1## which can be used for treating medical disorders resulting from a deficiency in growth hormone.... | 07/06/1999 |
| 5902812 | Pharmaceutical piperazine compounds Diketopiperazines of formula (A): ##STR1## wherein each of R1 to R8 is H or an organic radical as described herein and the pharmaceutically acceptable salts thereof have activity as inhibitors of plasminogen activator inhibitor.... | 05/11/1999 |
| 5891877 | Pharmaceutical compounds Diketopiperazines of the formula ##STR1## where one or both of R1 and R2, which are different, are chosen from X and a phenyl group substituted by X, C(O)X, OC(O)CH2 X, OCH2 CH2 X, CH2... | 04/06/1999 |
| 5877174 | 2,3-diketopiperazine derivatives or their salts The present invention relates to a 2,3-diketopiperazine derivative or a salt thereof, which has inhibitory effect on platelet aggregation because of glycoprotein IIb/IIIa receptor antagonism and hence is useful as a prophylactic and therapeutic agent for ... | 03/02/1999 |
| 5869554 | Polycarbonate compositions comprising hindered amine light stabilizers and ultraviolet light absorbers Weatherable polycarbonate compositions (formulations or blends) comprise at least one of a piperazinone and piperazine dione based HALS, and at least one of a benzotriazole, benzophenone, triazine, oxanilide, and cyanoacrylate based UVA. The combination o... | 02/09/1999 |
| 5861400 | Pharmaceutical compounds Piperazine derivatives of the formula ##STR1## their esters and salts are useful as modulators of multiple drug resistance.... | 01/19/1999 |
| 5856486 | Polycarbonate compositions comprising hindered amine light stabilizers The instant invention relates to weatherable polycarbonate compositions (formulations or blends) comprising piperazinone or piperazine dione based HALS. These piperazinone or piperazine dione based HALS impart photostability to the polycarbonate formulati... | 01/05/1999 |
| 5852018 | Pharmaceutical piperazine compounds Piperazine derivatives of formula (A): ##STR1## wherein -------- denotes an optional bond, provided that either ----a---- and ----c---- are both bonds and ---- | 12/22/1998 |
| 5824677 | Substituted amino alcohol compounds Disclosed are compounds having a straight or branched aliphatic hydrocarbon structure of formula I: ##STR1## In formula I, n is an integer from one to four and m is an integer from four to twenty. Independently, R1 and R2 are hy... | 10/20/1998 |
| 5807856 | Alpha 1a adrenergic receptor antagonist This invention relates to certain novel compounds and derivatives thereof, their synthesis, and their use as selective alpha 1a adrenergic receptor antagonists. One application of these compounds is in the treatment of benign prostatic hyperplasia. These ... | 09/15/1998 |
| 5750530 | Pharmaceutical diketopiperazine compounds A diketopiperazine of formula (I): ##STR1## wherein each of R7 and R8 which may be the same or different; is hydrogen or a nitro group; Y is ##STR2## --O-- or --S--, wherein each of R9 and R10 which ma... | 05/12/1998 |
| 5728830 | Farnesyltransferase inhibitor The present invention relates to a farnesyltransferase inhibitor and an antitumor agent comprising, as an active ingredient, a piperazinedione derivative represented by formula (I): ##STR1## wherein R1 and R2 independently repre... | 03/17/1998 |
| 5707993 | Glycine anhydride dimethylol as a biocide and preservative The use of glycine anhydride dimethylol, also known as 1,4-bis(hydroxymethyl)-2,5-piperazinedione, comprising the formula ##STR1## to kill microorganisms present in or on a host substance and to preserve products susceptible to contamination by a var... | 01/13/1998 |
| 5700804 | Pharmaceutical compounds Diketopiperazines of the formula: ##STR1## where each of R1 to R10, which may be the same or different, is independently selected from the group consisting of hydrogen, C1 -C6 alkyl unsubstituted or substit... | 12/23/1997 |
