Bizarre Patents
Nicotine Containing Dental Floss
Keep away cavities and cancer at the same time.
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 |
| 7214364 | Inhalable aztreonam lysinate formulation for treatment and prevention of pulmonary bacterial infections A method and a composition for treatment of pulmonary bacterial infections caused by gram-negative bacteria suitable for treatment of infection caused by Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Pseudomonas aeruginosa, Haemophilus influenzae, ... | 05/08/2007 |
| 7208141 | Inhalable aztreonam aerosol for treatment and prevention of pulmonary bacterial infections A method and a composition for treatment of pulmonary bacterial infections caused by gram-negative bacteria suitable for treatment of infection caused by Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Pseudomonas aeruginosa, Haemophilus influenzae, ... | 04/24/2007 |
| 7138419 | Process for manufacturing bulk solutions and a lyophilized pure α-aztreonam lysinate A process for manufacturing bulk solutions and lyophilized pure α-aztreonam lysinate for large scale production of an inhalable aztreonam is disclosed, as is a pure α-aztreonam lysinate for inhalation. A dry powder or lyophilized pure α-aztreonam lysinate composi... | 11/21/2006 |
| 6103897 | Production of a crystalline salt of amoxicillin A process for the production of a crystalline salt of amoxicillin utilizing ethanol as a solvent, and crystallizing the salt of amoxicillin in the presence of a salifying compound.... | 08/15/2000 |
| 6013647 | Benzoxazinedione derivatives, method of producing them and uses thereof This invention relates to new benzoxazinedione derivatives corresponding to the formula I: ##STR1## wherein R1 =H or carboxyalkyl, R2 =H, alkyl or phenyl, and R3 represents different acid groups derived from amino aci... | 01/11/2000 |
| 5599987 | Integrated process for cyclohexanone oxime production An integrated process for producing cyclohexanone oxime, a caprolactam precursor, is provided wherein isopropanol is utilized to generate the hydrogen peroxide oxidizing agent. The acetone produced as a co-product is recycled back to the secondary alcohol... | 02/04/1997 |
| 5451701 | Integrated process for cyclohexanone oxime production An integrated process for producing cyclohexanone oxime, a caprolactam precursor, is provided wherein a secondary alcohol is utilized to generate the hydrogen peroxide oxidizing agent and as a reaction medium for ammoximation. The ketone produced as a co-... | 09/19/1995 |
| 4918067 | Heterocyclic substituted penicillin antibiotics The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt or in-vivo hydrolysable ester thereof: ##STR1## wherein R1 is a 5 or 6 membered sulphur and/or nitrogen containing heterocyclic group substitute... | 04/17/1990 |
| 4877783 | ଲ-lactam antibacterial agents ଲ-Lactam antibiotics having an -formamido substituent on the carbon atom adjacent to the carbonyl group of the ଲ-lactam ring and in particular bicyclic compounds having the partial structure: ##STR1## Intermediates and processes fo... | 10/31/1989 |
| 4866170 | Stable hydrate of penicillin derivative A stable trihydrate of (2S, 5R, 6R)-6-{(2R)-2-[(2R)-2-amino-3-(N-methylcarbamoyl)propionamido]-2-(p-hydrox yphenyl)acetamido}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-c arboxylic acid and process for preparing the same are disclosed.... | 09/12/1989 |
| 4801704 | Methylene penam and derivatives thereof There are presented compounds of the formula ##STR1## wherein R2, R3, R4 and m are as described herein.... | 01/31/1989 |
| 4769325 | 2-(Allenyl)penicillins 2-(Allenyl)penicillins antibiotics and intermediates thereto are disclosed. A process for making the 2-(allenyl)penicillins and the starting materials for the process are also disclosed.... | 09/06/1988 |
| 4555363 | Process for the preparation of ଲ-lactam compounds A process for the preparation of a ଲ-lactam having the partial structure (I): ##STR1## wherein R1 is an acyl group, which process comprises treating an imine having the partial structure (II): ##STR2## with a nucleophilic d... | 11/26/1985 |
| 4540689 | Penicillin derivative A penicillin derivative having an antibacterial activity similar to a penicillin antibiotic in a living body without affecting the intestinal bacterial colonies, a process for preparing the derivative and a pharmaceutical composition in a dosage unit form... | 09/10/1985 |
| 4524073 | ଲ-Lactam compounds A compound of formula (I) or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof: ##STR1## wherein R represents an alkyl or aralkyl group, substituted on an alkyl carbon atom other than that adjacent to --NH-- group, with one or ... | 06/18/1985 |
| 4481209 | Penicillin salt Ampicillin phthalidyl ester naphthalene-2-sulphonate, its preparation, and its use in pharmaceutical compositions to treat infections.... | 11/06/1984 |
| 4444686 | Crystalline penicillin ester intermediate Crystalline chloromethyl 6-(alpha-1-methoxycarbonylpropen-2-ylaminophenylacetamido)penicillanate as an intermediate to antibacterial agents.... | 04/24/1984 |
| 4434173 | Bis-esters of 4,5-di(hydroxymethyl)-2-oxo-1,3-dioxole as antibacterial agents Derivatives of 4,5-di(hydroxymethyl)-2-oxo-1,3-dioxole in which one hydroxy group has been esterified through the carboxy group of ampicillin or amoxicillin, and the other hydroxy group has been esterified through the carboxy group of sulbactam (penicilla... | 02/28/1984 |
| 4386089 | ଲ-Lactam antibiotics and their medicinal use ଲ-Lactam compounds of the formula ##STR1## in which B denotes an optionally substituted heterocyclic 5-membered or 6-membered ring or an optionally substituted phenyl ring, Z denotes a hydrogen atom or a C1 to C4 alkoxy group, ... | 05/31/1983 |
| 4377590 | Derivatives of ampicillin and amoxicillin with beta-lactamase inhibitors Certain beta-lactamase inhibitors which have a beta-lactam ring as well as a carboxy group have been linked through their carboxy group to either the amino group of ampicillin, the amino group of amoxicillin or the phenolic hydroxy group of amoxicillin. T... | 03/22/1983 |
| 4376767 | Pyridylmethyl esters of selected bio-affecting carboxylic acids Novel pharmaceutically useful derivatives of selected known bio-affecting carboxylic acids are disclosed, said derivatives having the structural formula ##STR1## wherein R1 and R2, which can be the same or different, are each ... | 03/15/1983 |
| 4344955 | Penicillin 1,1-dioxides Anti-bacterially active penicillin 1,1-dioxides of the formula ##STR1## or a salt thereof, in which R1 denotes a hydrogen atom or an ester-forming radical, R2 denotes a hydrogen atom or optionally substituted alkoxy group, R3 | 08/17/1982 |
| 4318852 | Sodium amoxicillin solvate The solvate of sodium amoxicillin and N-methyl-2-pyrrolidone and its preparation which is a stable antibiotic from which injectable solutions may be prepared.... | 03/09/1982 |
| 4317775 | Amoxicillin derivatives The compound 6-[D(-)alpha-amino-phenylacetamido]penicillanic acid and salts or hydrates thereof wherein the amino group is substituted with a 5 to 6-membered heterocyclic ring, useful as antibacterial therapeutic agents in the treatment of infectious dise... | 03/02/1982 |
| 4255330 | Process for preparing 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acid Disclosed are 6-substituted amino-2-substituted-pen-2-em-3-carboxylic acids of the following structure: ##STR1## wherein R1 is hydrogen or acyl, R2 is hydrogen or methoxyl, and R3 is, inter alia, hydrogen, --R, --OR, ... | 03/10/1981 |
| 4244885 | -Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids -Substituted-3-(halomethyl)-4-hydroxybenzeneacetic acids, prepared by the halomethylation of -substituted-4-hydroxybenzeneacetic acids are new and useful as starting materials for the preparation of cephalosporin and penicillin derivatives.... | 01/13/1981 |
| 4241062 | Antibacterial penicillins This invention relates to a new class of penicillins (I) and their pharmaceutically acceptable salts and esters which are useful as antibiotics: ##STR1## wherein the stylized radical (hereafter referred to as R'): ##STR2## represents a mono... | 12/23/1980 |
| 4231927 | Hydrazono penicillin derivatives Hydrazono penicillin derivatives of the formula ##STR1## wherein R represents phenyl optionally substituted, 2- or 3- thienyl optionally substituted, or 2- or 3-furyl optionally substituted, R1 represents hydrogen, alkyl containing from 1 ... | 11/04/1980 |
| 4197240 | Penicillin derivatives New 7-[4-hydroxy-3-(substitutedmethyl)phenyl]acetamido penicillin derivatives are prepared which are useful as antibiotics.... | 04/08/1980 |
| 4162314 | 7[2(Substituted phenyl)2-(amino)acetamido]cephalosporin derivatives Novel ଲ-lactam antibiotics are compounds of the formula: ##STR1## wherein R is alkyl of up to 6 carbon atoms or, when A is oxygen, R is hydrogen; A is oxygen or --OCO--; Z is ##STR2## R1 is hydrogen, acetoxy or S-Het; Het is 1,2... | 07/24/1979 |
| 4071529 | Derivatives of 6-aminopenicillanic acid Novel 6-methoxy and 6-thioalkyl-6-acylamidopenicillanic acids and their non-toxic pharmaceutically-acceptable salts, esters and amides which are useful as antibiotics. The products are prepared by treating an ester of 6-substituted-6-aminopenicillanic aci... | 01/31/1978 |
| 4062842 | Method for preparing 7-substituted cephalosporins and 6-substituted penicillins by replacement of sulfur-containing groups Disclosed is a method for replacing 7-lower alkylthio and 7-arylthio groups from cephalosporins with lower alkanoyloxy,lower alkoxy, aryloxy, aroyloxy, amino, lower alkylamino and azido moieties, and for replacing 6-lower alkylthio and 6-arylthio groups f... | 12/13/1977 |
| 4053360 | Enzymatic preparation of 6-D-(-)--amino--(p-hydroxyphenylacetamino)penicillin acid This invention relates to a novel -amino-(p-acyloxyphenyl)acetamidopenicillanic acid which is useful as an antibacterial agent, and also to a novel process for the production of 6-D-(-)-amino--(p-hydroxyphenylacetamido)pen... | 10/11/1977 |
| 4036829 | Lactonyl esters of penicillins Lactonyl esters of Penicillins of the formula ##STR1## WHEREIN R1 is an antibacterially active penicillin-completing side chain; R is hydrogen, methyl or phenyl; and Ra, Rb, Rc, Rd are hydrogen, lower alkyl, lower alkoxy, halo, and nitro, ... | 07/19/1977 |
| 4035354 | Thioamides of beta-lactam antibiotics The invention relates to compounds of the formula: ##STR1## wherein R stands for Benzyl, Phenoxymethyl, 4-amino-4-carboxy-1-butyl, R3 o--, r3 s--, r3 r4 n-- wherein R3 is loweralkyl, aryl or arylloweralkyl... | 07/12/1977 |
| 4035359 | 6, ଲ-Substituted penicillin derivatives Novel 6-methoxy and 6-thioalkyl-6-acylamido-penicillanic acids and their non-toxic pharmaceutically-acceptable salts, esters and amides which are useful as antibiotics. The products are prepared by treating an ester of 6-substituted-6-aminopenicillanic ac... | 07/12/1977 |
| 4031076 | Methampicillin lysinate and its method of manufacturing Water soluble Methampicillin Lysinate is disclosed along with a method of making the compound. The compound of the invention has superior stability and, because of its greater solubility, has a high rate of absorption into the gastrointestinal tract. Meth... | 06/21/1977 |
| 4029806 | Nitro-ଲ-lactam antibiotics and processes for their preparation and use Penicillin and cephalosporin derivatives characterized by the presence of a nitroalkyl, nitrocycloalkyl, nitrophenylalkyl or nitroanilinoalkyl group in the side chain are antibacterial agents. The compounds, of which 6-(2-nitro-3,3-dimethylbutyrylamido)-p... | 06/14/1977 |
| 4018933 | Acylaminopenicillanic acids and process for preparing them Acylaminopenicillanic acids of the general formula ##STR1## in which R1, R2 and R3 represent hydrogen or lower alkyl which may be substituted, and in which the radicals R1 and R2 or R2... | 04/19/1977 |
| 4012518 | Nitro-ଲ-lactam antibiotics and processes for their preparation and use Penicillin and cephalosporin derivatives characterized by the presence of a nitroalkyl, nitrocycloalkyl, nitrophenylalkyl or nitroanilinoalkyl group in the side chain are antibacterial agents. The compounds, of which 6-(2-nitro-3,3-dimethylbutyrylamido)-p... | 03/15/1977 |
