U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

Newsletter  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.

 

Attorney: Epstein; William H.


Number of patents: 266
Last date: September 18, 2001

1              
NumberTitleIssue Date
6291685Methods for the preparation of 4-hydroxybenzothiophene
The present invention is concerned with a novel process for the preparation of the hydroxybenzothiophene of formula I ##STR1## comprising cyclocarbonylation of a compound of formula II ##STR2## wherein Y is as defined in the specification, followed by sap...
09/18/2001
6242644N-(4-carbamimidoyl-phenyl)-glycine derivatives
The invention is concerned with novel N-(4-carbamimidoyl-phenyl)-glycine derivatives of the formula: ##STR1## wherein R1, E, X1 to X4 and G1 and G2 are as defined in the description and the claims, as...
06/05/2001
6242601Heterocyclic sulfamides
The compounds of formula (I) ##STR1## wherein R1, R2 and X have the significance as given in the description, are inhibitors of endothelin receptors and can therefore be used for the treatment of disorders which are associated with a...
06/05/2001
6239151Compounds as inhibitor of tumor necrosis factor alpha release
The invention provides hydrazine derivatives of the formula ##STR1## wherein R1 is lower alkyl, lower alkenyl, lower cycloalkyl, lower cycloalkyl-lower alkyl, aryl or aryl-lower alkyl; R2 is an acyl group derived from an ଱-, &#...
05/29/2001
6239296Process for a phenylthiobutyl-isoquinoline and intermediates therefor
Intermediate compounds useful for making phenylthiobutyl-isoquinoline compounds of formula ##STR1##...
05/29/2001
6238664Process for stabilizing proteins
An aqueous protein solution buffered with a potassium phosphate buffer, in which the ratio of potassium ions to sodium ions in the solution is at least 10:1, is resistant to the formation of protein aggregates and particles under conditions of freezing, t...
05/29/2001
6162918Xanthene and acridine derivatives
The invention relates to new and known tricyclic dione derivatives of the general formula ##STR1## and to their salts which are inhibitors of herpes simplex virus thymidine kinase in the treatment and prophylaxis of infections caused by herpes s...
12/19/2000
4870219Novel tetrahydronaphthalene and indane derivatives
Novel styryl-tetrahydromaphythalene and indane derivatives useful for treating neoplasms and dermatoses....
09/26/1989
4863969Treatment of premalignant lesions and certain malignant tumors
1,2,3,4-Tetrahydro-1,1,4,4-tetramethyl-6-(଱-methylstyryl)naphthalene possesses antihyperplastic, antimetaplastic, antineoplastic tumor-preventative and tumor-therapeutic properties and can accordingly be used in the treatment of precancerous or prem...
09/05/1989
4861890Isomerization
A process for producing chiral enamines by isomerizing a beta, gamma unsaturated amine with a rhodium-diphosphine complex with the addition of an achiral triarylphosphine and, if desired, hydrolyzing the compound of the enamine I obtained to the correspon...
08/29/1989
4855085Asymmetric synthesis of natural vitamin E
An asymmetric synthesis for Vitamin E in an optically active pure form for 4-(2,5-diloweralkanoyloxy)-3,4,6-trimethylphenyl-butan-2-one and intermediates therein....
08/08/1989
4853472Vitamin E intermediates
A process for producing natural vitamin E and intermediates in this process....
08/01/1989
4841045Synthesis of vinblastine and vincristine type compounds
A new process for the stereospecific synthesis of alkaloids of the vinblastine and vincristine type including the synthesis of vinblastine and vincristine as well novel alkaloids which are active as anti-tumor agents....
06/20/1989
4841070Sulfinyl-ascorbic acid useful as an anti-oxidant
The novel 5,6-sulfinyl-L-ascorbic acid and its stereoisomers, their manufacture by sulfinylating L-ascorbic acid or corresponding stereoisomers, compositions having oxidation-inhibiting properties which contain 5,6-sulfinyl-L-ascorbic acid or a stereoisom...
06/20/1989
4833259Light screening agents
The novel sunscreen agents which are esters, namely esters of p-methoxy-cinnamic acid with d,1-଱-tocopherol, pantolactone or panthenol....
05/23/1989
4831185Asymmetric synthesis of natural vitamin E
An asymmetric synthesis for Vitamin E in an optically active pure form for 4-(2,5-diloweralkanoyloxy)-3,4,6-trimethylphenyl-butan-2-one and intermediates therein....
05/16/1989
4827004Isoprene derivatives
Novel Isoprene Derivatives which have mucosa-protective and gastric acid secretion-inhibiting properties and are useful for combatting ulcers both by treating and as a prophylaxis against gastric and/or duodenal ulcers....
05/02/1989
48249712-allylchromans
Novel 2-halochromans and their coupling to various nucleophiles to produce Vitamin E and as well as novel intermediates for Vitamin E....
04/25/1989
480873416-cycloalkyl-7-fluoro-prostacyclins
16-Cycloalkyl-7-fluoro prostacyclins having a 16 lower alkyl or fluoro substituent useful as blood platelet anti-aggregating agent, vasodilators, cyto protective lowering agents, anti-ulcerogenic agent and for treating peripheral vascular diseases such as...
02/28/1989
4806661Chromanemelonate esters
Novel 2-halochromans and their coupling to various nucleophiles to produce Vitamin E and as well as novel intermediates for Vitamin E....
02/21/1989
4801724Vitamin E intermediate
A process for producing alpha-tocopherol and intermediates in this process....
01/31/1989
47897502-(trimethyl-tridecenyl)-tetramethylchroman intermediates for vitamin E
6-Etherified hydroxy -2-(4',8',12'-trimethyl-5'-tridecenyl)-2,5,7,8-tetramethylchromans with an oxo or hydroxy substituent at the 2' position which may be substituted with an arylsulfonyl or a carboxyalkyl at the 3' position and containing a single o...
12/06/1988
4788213Benzopyranyl and benzothiopyranyl compounds and uses
Novel p-[2(4,4-dimethyl-6-heterophenyl)substituted phenyl derivatives and salts thereof which are useful for combatting neoplasms and dermatoses including oral and topical compositions containing said derivatives which are suitable for such uses....
11/29/1988
4780251Phenyl substituted-2,4,6,8-nonatetraenoic acid
The compounds 9-phenyl-3,7-dimethyl-2,4,6,8-nonatetraenoic acids wherein the phenyl group is substituted with an alkyl, aminoalkyl, hydroxyalkyl, alkoxy, hydroxyalkylamino, and a hydroxy alkoxy group, and derivatives thereof which are used as disease modi...
10/25/1988
4760095Moisturizers
Fatty acid esters of ଱-tocopherol and mixtures thereof which provide a moisturizing composition for topical application and their use in cosmetic preparations....
07/26/1988
47526462-halochromans
Novel 2-halochromans and their coupling to various nucleophiles to produce Vitamin E and as well as novel intermediates for Vitamin E....
06/21/1988
4719238Treatment of diseases which cause pathological cornification of the epidermis of the skin
1,2,3,4-Tetrahydro-1,1,4,4-tetramethyl-6-(alpha-methylstyryl)naphthalene possesses antikeratinizing, antiinflammatory and immunomodulatory properties and can be used in the treatment or prevention of dermatoses which are accompanied by a pathological corn...
01/12/1988
4701540Process for carotenoid intermediates
A process for producing cycloketones of a 5 or 6 carbon chain length through which said ketones are known intermediates for producing carotenoids....
10/20/1987
4689350Treatment of dermatoses and illnesses producing inflammation
1,2,3,4-Tetrahydro-1,1,4,4-tetramethyl-6-(alpha-methylstyryl)naphthalene possesses antikeratinizing, antiinflammatory and immunomodulatory properties and can be used in the treatment or prevention of dermatoses which are accompanied by a pathological corn...
08/25/1987
4681962Novel 7-fluoro-dihydro PGI compounds
7-fluoro-16-substituted 15-hydroxy PGI2 compounds which have saturated bond of the 13 position and which are useful as blood platelet anti-aggregating agents....
07/21/1987
4680415Intermediates for 7-fluoro dihydro PGI compounds
7-fluoro-16-substituted 15-hydroxy PGI2 compounds which have saturated bond of the 13 position and which are useful as blood platelet anti-aggregating agents....
07/14/1987
4678793Heterocyclic compounds
Novel p-[2(4,4-dimethyl-6-heterophenyl)substituted phenyl derivatives and salts thereof which are useful for combatting neoplasms and dermatoses including oral and topical compositions containing said derivatives which are suitable for such uses....
07/07/1987
4665198Tetrahydro-cyclopenta[ଲ]furanes
The prostacyclins 7-fluoro-6,9-epoxy-16-substituted-15-hydroxyprost-[4 or 5,13]-dienoic acids and esters useful as anti-secretory agents, blood pressure lowering agents, anti-ulcerogenic agents, anti-hypertensive agents, bronchodilation agents and for com...
05/12/1987
4661641Substituted alkynes useful as intermediates in the synthesis of carotenoids
Compounds of the formula ##STR1## wherein n is either 0 or 1; R1 and R2 is hydrogen and the other is hydrogen, hydroxy, oxo group, a protected hydroxy or protected oxo group; R3 is hydroxy oxo group, .dbd.CH--CH2...
04/28/1987
4650883Hexahydro-3-fluoro-4-octenyl-2H-cyclopenta[ଲ]furan-2-ones
The prostacyclins 7-fluoro-6,9-epoxy-16-substituted-15-hydroxyprost-[4 or 5,13]-dienoic acids and esters useful as anti-secretory agents, blood pressure lowering agents, anti-ulcerogenic agents, anti-hypertensive agents, bronchodilation agents and for com...
03/17/1987
4648996Phenyl substituted-2,4,6,8-nonatetraenoic acid
The compounds 9-phenyl-3,7-dimethyl-2,4,6,8 nonatetraenoic acids wherein the phenyl group is substituted with an alkyl, aminoalkyl, hydroxyalkyl, alkoxy, hydroxyalkylamino, and a hydroxy alkoxy group, and derivatives thereof which are used as disease modi...
03/10/1987
4642364Unsaturated eicosanoic acids
Unsaturated eicosanoic acids and derivatives thereof which inhibit the synthesis of SRS-A are useful for treating and preventing asthma and allergic responses caused by SRS-A as well as useful in inhibiting inflammation....
02/10/1987
46347827-fluoro-dihydro PGI compounds
7-fluoro-16-substituted 15-hydroxy PGI2 compounds which have saturated bond of the 13 position and which are useful as blood platelet anti-aggregating agents....
01/06/1987
46123807-fluoro-prostacyclin analogs
The prostacyclins 7-fluoro-6,9-epoxy-16-substituted-15-hydroxyprost-[4 or 5,13]-dienoic acids and esters useful as anti-secretory agents, blood pressure lowering agents, anti-ulcerogenic agents, anti-hypertensive agents, bronchodilation agents and for com...
09/16/1986
4605656Pyridine and pyrazine oxime compounds as fungicides
Pyridine and pyrazine compounds of the formula ##STR1## wherein R1, R2, R3 and R4 are as hereinafter set forth and acid addition salts of these compounds, processes for their preparation, fungicidal composi...
08/12/1986
1              
 
Sign InRegister
Username  
Password   
forgot password?