"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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 |
| 6964865 | Host cells comprising Streptomyces clavuligerus chromosomal DNA fragments encoding enzymes for β-lactam antibiotic biosynthesis DNA sequences obtained from S. clavuligerus ATCC 27064, recombinant vectors incorporating such sequences and hosts transformed with such vectors are disclosed. The DNA comprises one or more genes coding for one or more enzymes involved in the biosynthe... | 11/15/2005 |
| 6709859 | Chromosomal DNA Fragments Encoding Enzymes for Encoding B-Lactam Biosynthesis Enzymes, and Vector and Transformants for Their Expression DNA sequences obtained from S. clavuligerus ATCC 27064, recombinant vectors incorporating such sequences and hosts transformed with such vectors are disclosed. The DNA comprises one or more genes coding for one or more enzymes involved in the biosynthe... | 03/23/2004 |
| 6686475 | Compounds Compounds of formula (I): ##STR1## or a tautomeric form thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, wherein: A1 represents a substituted or unsubstituted aromatic heterocyclyl group;... | 02/03/2004 |
| 6531600 | Treatment and compounds A method for the treatment of cerebrovascular disorders and/or disorders associated with cerebral senility and/or other disorders which method comprises the administration of an effective, non-toxic amount of a compound of formula (I): ##STR1## or if... | 03/11/2003 |
| 6180791 | Synthesis of 8-substituted xanthines A method for the treatment of cerebrovascular disorders and/or disorders associated with cerebral senility and/or other disorders which method comprises the administration of an effective, non-toxic amount of a compound of formula (I): ##STR1## or if... | 01/30/2001 |
| 6136813 | Pharmaceutical treatment Pharmaceutical use of a compound of formula (A): ##STR1## or a pro-drug, or a pharmaceutically acceptable salt, phosphate ester and/or acyl derivative of either of the foregoing; in the treatment of hepatitis B virus infections.... | 10/24/2000 |
| 6077536 | Pharmaceutical formulation A pharmaceutical formulation comprising an amoxycillin hydrate and an effervescent couple, for example citric acid plus sodium bicarbonate or sodium glycine carbonate, or tartaric acid or malic acid plus sodium carbonate. Potassium equivalents of these so... | 06/20/2000 |
| 6066468 | Chromosomal DNA fragments encoding enzymes for encoding ଲ-lactam biosynthetic enzymes, and vectors and transformants for their expression DNA sequences obtained from S. clavuligerus ATCC 27064, recombinant vectors incorporating such sequences and hosts transformed with such vectors are disclosed. The DNA comprises one or more genes coding for one or more enzymes involved in the biosynthesis... | 05/23/2000 |
| 6037156 | DNA molecules and vectors encoding clavulanic acid biosynthesis enzymes DNA sequences obtained from S. clavuligerus, recombinant vectors incorporating such sequences and hosts transformed with such vectors are disclosed. The DNA comprises one or more genes encoding one or more enzymes involved in the biosynthesis of clavulani... | 03/14/2000 |
| 5792790 | Method for improving weight gain and feed utilization in livestock Crystalline calcium pseudomonate or a hydrate thereof, in particular the dihydrate. Processes for the preparation of these salts and their use in human and veterinary medicine and as a growth promoter in animals are described.... | 08/11/1998 |
| 5759831 | DNA molecules and vectors regarding clavulanic acid biosynthesis enzymes DNA sequences obtained from S. clavuligerus, recombinant vectors incorporating such sequences and hosts transformed with such vectors are disclosed. The DNA comprises one or more genes encoding one or more enzymes involved in the biosynthesis of clavulani... | 06/02/1998 |
| 5756525 | Compounds for treating eating disorders A method is provided for the treatment and/or prophylaxis of cardiovascular diseases or eating disorders in a human or non-human mammal, which comprises administering to a human or non-human mammal in need thereof, an effective, non-toxic amount of a comp... | 05/26/1998 |
| 5734051 | 8-substituted xanthine derivatives and method of use thereof A method for the treatment of cerebrovascular disorders and/or disorders associated with cerebral senility and/or other disorders which method comprises the administration of an effective, non-toxic amount of a compound of formula (I): ##STR1## ... | 03/31/1998 |
| 5684153 | Process for the preparation of purine derivatives The present invention provides a process for the synthesis of penciclovir and famciclovir by 9-substituting the compound 2-amino-6-chloropurine (ACP) with 2-acetoxymethyl-4-(leaving group)-but-1-yl acetate, followed by displacement of the 6-chloro moiety ... | 11/04/1997 |
| 5679789 | Pharmaceutical compositions comprising potassium clavulanate and methods of using them Potassium clavulanate exists in a novel crystalline habit, namely in the form of rosettes, having improved processing properties. The novel form may, for example, be obtained by crystallization or recrystallization using inverse precipitation, preferably ... | 10/21/1997 |
| 5674869 | Pharmaceutical treatment Use of a guanine derivative or a prodrug thereof in the treatment of viral infections.... | 10/07/1997 |
| 5670170 | Pharamaceutical formulation A pharmaceutical formulation comprises a medicament and an effervescent couple, plus optionally other excipients. Preferred medicaments are antibiotics, together with a citric acid--sodium bicarbonate couple. The formulation is provided for make up with w... | 09/23/1997 |
| 5569672 | Compounds Crystalline calcium pseudomonate or a hydrate thereof, in particular the dihydrate. Processes for the preparation of these salts and their use in human and veterinary medicine and as a growth promoter in animals are described.... | 10/29/1996 |
| 5554610 | Inhalational treatment of pulmonary hypertension and related conditions A method for the treatment and/or prophylaxis of disorders associated with pulmonary hypertension and/or disorders associated with right heart failure, in mammals, such as humans, which method comprises administering to the mammal in need of such treatmen... | 09/10/1996 |
| 5521201 | Method for treatment of atherosclerosis A method is provided for the treatment and/or prophylaxis of cardiovascular diseases in a human or non-human mammal, which comprises administering to a human or non-human mammal in need thereof, an effective, non-toxic amount of a compound of formula (I):... | 05/28/1996 |
| 5436266 | Compounds Crystalline calcium pseudomonate or a hydrate thereof, in particular the dihydrate. Processes for the preparation of these salts and their use in human and veterinary medicine and as a growth promoter in animals are described.... | 07/25/1995 |
| 5391565 | Oxazolidine dione derivatives Compounds of the formula: ##STR1## or tautomeric forms and a pharmaceutically acceptable salt, and pharmaceutically acceptable solvates thereof, wherein: A1 is a substituted or unsubstituted oxazole substituted by up to 4 substituents sele... | 02/21/1995 |
| 5264436 | Heterocyclic compounds which have useful pharmaceutical utility A compound of formula (I): ##STR1## or a pharmaceutically acceptable salt, ester or amide thereof, or a pharmaceutically acceptable solvate thereof, wherein: Z represents a residue of a substituted or unsubstituted aryl group, A1 represents a s... | 11/23/1993 |
| 5260445 | 2,4-thiazolidinediones Compounds of formula (I): ##STR1## or a tautomeric form thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, wherein: A1 represents a substituted or unsubstituted aromatic heterocyclyl g... | 11/09/1993 |
| 5252575 | Antiviral purine derivatives with improved gastrointestinal absorption Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein R1 is hydrogen or hydroxy; and R2 is C1-6 alkyl; which are pro-drugs for 9-(3-hydroxyprop-1-oxy)guanine having antiviral activity, a ... | 10/12/1993 |
| 5247085 | Antiviral purine compounds Compounds of formula (I), and pharmaceutically acceptable salts thereof ##STR1## wherein R1 is hydroxy, amino, chloro or OR7 wherein R7 is C1-6 alkyl, phenyl or phenyl C1-2 alkyl either of which pheny... | 09/21/1993 |
| 5232925 | Compounds Compounds of formula (I): ##STR1## or a tautomeric form thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, wherein: A1 represents a substituted or unsubstituted aromatic heterocyclyl g... | 08/03/1993 |
| 5220024 | Process for the preparation of purine derivatives as antiviral agents A process for the preparation of a compound of formula (A): ##STR1## wherein X is hydrogen, hydroxy, chloro, C1-6 alkoxy or phenyl C1-6 alkoxy and Ra and Rb are hydrogen, including acyl and phosphate deriva... | 06/15/1993 |
| 5217975 | Azabicyclic compounds for treating dementia A compound of formula (I) useful for treating dementia or a pharmaceutically acceptable salt thereof: ##STR1## in which one of X and Y represents hydrogen and the other represents Z, where Z is a group in which Q represents a 3-membered divalent res... | 06/08/1993 |
| 5204330 | Antifungal compounds A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein: R1 is a group --CH2 --X where X is hydrogen, halogen, --CN, --N3, --OC(O)R5, --S(O)n R5, --SH, ... | 04/20/1993 |
| 5194443 | Compounds Compounds of formula (I): ##STR1## or a tautomeric form thereof, or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, wherein: A1 represents a substituted or unsubstituted aromatic heterocyclyl g... | 03/16/1993 |
| 5190937 | Lactam derivatives Novel compounds of formula (I), and pharmaceutically acceptable salts thereof; their preparation; compositions containing them; and their use in the treatment of conditions in which degradation of connective tissue and other proteinaceous components of th... | 03/02/1993 |
| 5175288 | Process for preparing purine derivatives and intermediates thereof A process for preparing pharmaceutically active compounds of formula (A): ##STR1## wherein X is hydrogen, hydroxy, chloro, C1-6 alkoxy or phenyl C1-6 alkoxy; and Ra and Rb are hydrogen, or acyl or phosphate... | 12/29/1992 |
| 5166198 | Antiviral phosphonylalkoxy purines A compound of formula (I), or a pharmaceutically acceptable salt thereof: ##STR1## wherein R1 is hydroxy or amino; R2 is hydrogen or amino; R3 is hydrogen, hydroxymethyl or acyloxymethyl; R4 is hydrogen or (when R | 11/24/1992 |
| 5159076 | Purine intermediates Compounds of formula (II): ##STR1## wherein R4 ' is R4 wherein R4 is hydrogen, hydroxy, amino or OR5 wherein R5 is C1-6 alkyl, phenyl or phenyl C1-2 alkyl either of which phenyl ... | 10/27/1992 |
| 5157160 | Certain 5-substituted-1-azabicyclo[3.1.1]heptanes and their pharmaceutical use A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## in which Z is a heterocyclic group ##STR2## in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one or two hete... | 10/20/1992 |
| 5153210 | Compounds A compound of the general formula (I): ##STR1## or a pharmaceutically acceptable ester thereof; or a pharmaceutically acceptable salt thereof, wherein, Ro represents a substituted or unsubstituted aryl group or a substituted or unsubstitut... | 10/06/1992 |
| 5138057 | Chemical process for the preparation of purine derivatives A process for the preparation of a compound of formula (I) ##STR1## which process comprises reacting a compound of formula (II): ##STR2## wherein the amino group is optionally protected, with a side chain intermediate of formula (III): ##ST... | 08/11/1992 |
| 5132466 | Process for preparing 4-(6-methoxy-2'-naphthyl)butane-2-one A process for the preparation of a compound of formula (I): ##STR1## in which X and Y are identical and represent halogen, or X is halogen and Y is hydrogen, which comprises halogenating 2-methyl-6-methoxynaphthalene, of formula (II): ##STR2## ... | 07/21/1992 |
| 5110828 | Azabicyclo oxime derivatives Novel compounds of formula (I), a process for their preparation, and their use as pharmaceutical agents are described: ##STR1## wherein R1 represents ##STR2## in which each of p and q independently represents an integer of 2 to 4, r ... | 05/05/1992 |