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| Number | Title | Issue Date |
| 8093377 | Cephalosporin in crystalline form The present invention relates to cephalosporin of formula (I) in crystalline form. The compound of formula (I) in crystalline form is useful as antibiotics having potent and broad antibacterial activity; especially against methicillin resistant Staphylococci ... | 01/10/2012 |
| 8071761 | Substrates for beta-lactamase and uses thereof Substrates for β-lactamase of the general formula I in which one of X and Y is a fluorescent donor moiety and the other is a quencher (which may or may not re-emit); R′ is selected from the group consisting of H, lower (... | 12/06/2011 |
| 8008478 | Process for the preparation of cefixime The present invention provides an improved process for the preparation of Cefixime of formula (I), a cephalosporine antibiotic with an improved quality in regard to color and solubility. This process includes: (i) reaction of 7-β-(4-chloro-2-alkoxycarbonyl methoxyi... | 08/30/2011 |
| 7847093 | Processes for the preparations of cefepime This invention provides processes for preparing cefepime, including crystalline intermediates of Formula V. ... | 12/07/2010 |
| 7825241 | Cefdinir intermediate 7-[2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetamido]-3-vinyl-cephem-4-carboxylic acid of formula (I), in the form of a crystalline salt and use thereof, e.g. in the preparation of pure cefdinir. In another aspect this invention relates to the compound of ... | 11/02/2010 |
| 7741478 | Salts in the preparation of cephalosporin antibiotics Compounds of general formula (II), wherein R1 represents R4 represents hydrogen or —CHO group, R5 represents hydrogen or trityl, | 06/22/2010 |
| 7615631 | Crystalline solvate of cefuroxime acid Crystalline acetonitrile solvate of cefuroxime acid, useful for preparing the antibiotic cefuroxime sodium salt. ... | 11/10/2009 |
| 7531650 | Cephalosporin salts in crystalline form The present invention relates to cephalosporin of formula (I) in crystalline form. The compound of formula (I) in crystalline form is useful as antibiotics having potent and broad antibacterial activity; especially against methicillin resistant Staphylococci ... | 05/12/2009 |
| 7479556 | Process for producing Cefepime and cephalosporin analogues Process for producing Cefepime, Cefpirome and Cefquinome, whereby a cephalosporin containing a quaternary ammonium group is reacted with thiourea to provide the aforesaid cephalosporins. ... | 01/20/2009 |
| 7452990 | Intermediates for synthesis of cephalosporins and process for preparation of such intermediates A novel 4-halo-2-oxyimino-3-oxo butyric acid-N,N-dimethyl formiminium chloride chlorosulfate of formula (I) useful in the preparation of cephalosporin antibiotics wherein X is chlorine or bromine; R is hydrogen, C | 11/18/2008 |
| 7427680 | Fluorogenic substrates for BETA-lactamase gene expression Fluorescent substrates for beta-lactamases having the general formula shown above are provided. Z includes a fluorophore or chromophore and includes a group that may link to the lactam-containing group; R1 and R2 are independently selected from... | 09/23/2008 |
| 7405294 | Intermediate cefdinir salts Disclosed are salts of the general formula (I) wherein R1, R2 and B are defined in the description. These salts are useful intermediates for the preparation of cefdinir. Also, disclosed are processes f... | 07/29/2008 |
| 7396926 | Beta-lactamase substrates having phenolic ethers Provided are fluorescent substrates for β-lactamases having the general formula I: in which R is a benzyl, 2-thienylmethyl, or cyanomethyl group; R′ is selected from the group consisting of H, physiologically acceptable ... | 07/08/2008 |
| 7384928 | Broad spectrum cephem compounds A compound of the formula: (wherein, T is S, SO or O; X is halogen, CN, carbamoyl optionally substituted with lower alkyl, lower alkyl, lower alkoxy, or lower alkylthio; A is substitut... | 06/10/2008 |
| 7355040 | Process for the preparation of cephalosporin compounds and synthetic intermediates There is provided a process for the preparation of a compound according to Formula (II): which includes the step of cyclizing a compound of Formula (III): wherein R1, R... | 04/08/2008 |
| 7351419 | Oral pharmaceutical suspension of Cefdinir crystal The present invention relates to a novel oral pharmaceutical suspension of Cefdinir crystal. More specifically, the present invention relates to a novel kit for preparation of an oral pharmaceutical suspension containing crystal form C Cefdinir. ... | 04/01/2008 |
| 7341993 | Cross-linked glycopeptide—cephalosporin antibiotics This invention provides cross-linked glycopeptide-cephalosporin compounds and pharmaceutically acceptable salts thereof which are useful as antibiotics. This invention also provides pharmaceutical compositions containing such compounds; methods for treating bacteria... | 03/11/2008 |
| 7339055 | Process for the preparation of cephalosporin antibiotic A process for the preparation of cephalosporin antibiotic of the formula (I) which comprises: (i) activating the compound of formula (III) as acid halide in an organic solvent | 03/04/2008 |
| 7335767 | Method for preparation of ceftiofur and salts thereof A process for preparation of ceftiofur sodium of formula (Ib) possessing high stability and having purity of more than 97% and substantially free of impurities, is disclosed. The process comprises: i) reacting cef... | 02/26/2008 |
| 7335753 | Bifunctional heterocyclic compounds and methods of making and using same The invention provides a family of bifunctional heterocyclic compounds useful as anti-infective, anti-proliferative, anti-inflammatory, and prokinetic agents. The invention also provides methods of making the bifunctional heterocyclic compounds, and methods of using... | 02/26/2008 |
| 7304168 | Photo-caged fluorescent molecules A class of photo-caged and cell permeable fluorescent molecules having high uncaging cross sections, robust fluorescence enhancement, and flexible chemistry for bioconjugation. Some of the photo-caged fluorescent molecules are derived from 6-chloro-7-hydroxy-coumari... | 12/04/2007 |
| 7282221 | Antiviral product, use and formulation thereof An antiviral product is comprised of at least three dosages forms, each of which has a different release profile, with the Cmax for the antiviral product being reached in less than about twelve hours. In one embodiment, there is an immediate release dosag... | 10/16/2007 |
| 7250508 | Cefdinir intermediate 7-[2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetamido]-3-vinyl-cephem-4-carboxylic acid of formula I in the form of a crystalline salt and use thereof, e.g. in the preparation of pure cefdinir. I... | 07/31/2007 |
| 7244842 | Amorphous hydrate of a cephalosporin antibiotic A process for the preparation of cefdinir of the formula (I) the said process comprising the steps of: i) condensing 7-amino-3-cephem-4-carboxylic acid of the formula (XII) wherein R1 is as defined above with compound of the formula (XIII) in the presence of a terti... | 07/17/2007 |
| 7192943 | Cephem compounds The present invention relates to a compound of the formula [I]: wherein R1 is lower alkyl or hydroxy(lower)alkyl, and R2 is hydrogen or amino protecting group, or | 03/20/2007 |
| 7179801 | Cephem compounds The present invention relates to a compound of the formula [I]: wherein A is lower alkylene or lower alkenylene; R1 is lower alkyl, hydroxy(lower)alkyl, protected hydroxy(lower)alkyl, amino(lower)alkyl or protected amino(lower)alkyl, and R2 is ... | 02/20/2007 |
| 7173126 | Crystalline cefdinir salts Cefdinir crystalline salts of formula (I), in which n ranges from 1 to 3, the preparation and use thereof for the preparation and purification of cefdinir are herein disclosed. The salts of formula (I) can be obt... | 02/06/2007 |
| 7157575 | Substrates for β-lactamase and uses thereof Substrates for β-lactamase of the general formula I in which one of X and Y is a fluorescent donor moiety and the other is a quencher (which may or may not re-emit); R′ is selected from the group consisting of... | 01/02/2007 |
| 7157576 | Crystalline acid salts of cefdinir and process for preparing cefdinir using same High purity cefdinir is prepared in a high yield by a process comprising the steps of: treating a crystalline salt of a cefdinir intermediate with a formic acid-sulfuric acid mixture or a formic acid-methanesulfonic acid mixture to obtain a crystalline salt of cefdi... | 01/02/2007 |
| 7145017 | Preparation of Aztreonam The invention relates to a process for the synthesis of Aztreonam. Specifically, the process entails hydrolyzing [3S-[3α(Z),4β]]-3-[[(2-amino-4-thiazolyl)[(1-t-butoxycarbonyl-1-methylethoxy)imino]acetyl]amino]-4-methyl-2-oxo-1-azetidinesulfonic acid (t-Bu Aztreona... | 12/05/2006 |
| 7129232 | Cephem compounds The present invention relates to a compound of the formula [I]: wherein R1 is lower alkyl, hydroxy(lower)alkyl or halo(lower)alkyl, and R2 | 10/31/2006 |
| 7129350 | Coupling process and intermediates useful for preparing cephalosporins A process for the preparation of 3-cyclic-ether-substituted cephalosporins of formula I wherein the group CO2R1 is a carboxylic acid or a carboxylate salt and R2 has the formula: ... | 10/31/2006 |
| 7122204 | Antibiotic composition with inhibitor Antibiotic composition having four dosage forms with different release profiles providing for initial release of a beta lactam antibiotic followed by release of a beta-lactamase inhibitor, followed by release of the antibiotic followed by release of the inhibitor. I... | 10/17/2006 |
| 7115640 | Heterocyclic modulators of nuclear receptors Compounds, compositions and methods for modulating the activity of nuclear receptors are provided. In particular, heterocyclic compounds are provided for modulating the activity of farnesoid X receptor (FXR), liver X receptor (LXR) and/or orphan nuclear receptors. I... | 10/03/2006 |
| 7112672 | Process for the selective preparation of 3-(z) propenyl-cephem compound A 3-(Z)-propenyl cephem compound is selectively prepared by reacting a phosphoranylidene cephem compound with acetaldehyde in the presence of a base in a solvent mixture comprising diethyl ether, formula (I), wherein R is a carboxyl protecting group; R1 i... | 09/26/2006 |
| 7105659 | Process for preparing cefdinir The present invention relates to a novel process for the preparation of a cefdinir by reacting O-acetyl thioester of Formula I with ... | 09/12/2006 |
| 7098329 | Process for the preparation of a cephalosporin antibiotic An improved process for the preparation of ceftriaxone sodium comprising the steps of: i) reacting the 3-cephem derivative of formula (II) with halo acid derivative of formula (III)... | 08/29/2006 |
| 7091196 | Bifunctional heterocyclic compounds and methods of making and using same The invention provides a family of compounds useful as anti-infective agents and/or anti-proliferative agents, for example, chemotherapeutic agents, anti-fungal agents, anti-bacterial agents, anti-parasitic agents, anti-viral agents, and/or anti-inflammatory agents,... | 08/15/2006 |
| 7090869 | Method for producing preparation containing bioactive substance A method for producing a preparation containing a bioactive substance, characterized in that it comprises forming a solid material containing the bioactive substance and a polymer, and contacting the solid material with a high pressure gas. The method allows the pro... | 08/15/2006 |
| 7071329 | Process for preparing cephalosporins with salified intermediate Cephalosporins may be conveniently prepared by a process in which a benzathinium salt of formula (V) wherein: Z is benzathine; and X and R2 are as defined in the spec... | 07/04/2006 |
