Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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 |
| 7371741 | Estradiol derivatives and pharmaceutical compositions using same Compositions and methods for treating mammalian disease characterized by undesirable angiogenesis by administering compounds of the general formula: wherein the variables are defined in the specification. ... | 05/13/2008 |
| 6653491 | Method for producing 4,4-dimethyl-3ଲ-hydroxypregna-8, 14-diene-21-carboxylic acid esters and intermediate products obtained by said method The invention relates to a method for representing compounds of the general formula (1). The invention further relates to the hitherto unknown compounds of general formulas (5, 6 and 7) in the form of intermediate products and to the use of 4,4-dimethyl-3... | 11/25/2003 |
| 6413951 | 20-fluoro-17(20)-vinyl steroids The invention relates to 20.xi.-fluoropregna-4,17(20)-dien-3-on-21-oic acid ethyl ester, 20.xi.-fluoro-3ଲ-hydroxypregna-5,17(20)-dien-21-oic acid ethyl ester, 20.xi.-fluoro-21-hydroxypregna-4,17 (20)-dien-3-one, 20.xi.-fluoropregna-5,17(20)-dien-3&#... | 07/02/2002 |
| 5994333 | Pregnane and cholane steroids as neurochemical initiators of change in human hypothalamic function and related pharmaceutical compositions and methods The invention relates to a method of altering hypothalamic function in an individual. The method comprises nasally administering a human vomeropherin, e.g. a pregnane or cholane steroid, or a pharmaceutical composition containing a vomeropherin, such that... | 11/30/1999 |
| 5480913 | Anti-androgen compounds Disclosed are novel classes of anti-androgens including dihydrophenanthrene derivatives, their method of synthesis and their use in treating disorders associated with excessive androgenic activities.... | 01/02/1996 |
| 5449795 | Process for synthesis of steroidal allylic tert. alcohols A method for the preparation of a steroidal allylic tertiary alcohol is disclosed which involves the deprotonation of a sulfoxide with a strong base which is capable of deprotonating the methine proton which is to the sulfoxide, in an inert solven... | 09/12/1995 |
| 5084584 | Process for producing an -acyloxy-,ଲ-unsaturated carbonyl compound and a 20-acyloxy-17(20)-methylen-21-al-steroid compound There are disclosed a process for producing an -acyloxy-,ଲ-unsaturated carbonyl compound represented by the general formula (VI): ##STR1## wherein R1, R2 and R4 are independently hydrogen atoms or ... | 01/28/1992 |
| 5041433 | 11-keto or hydroxy 3,5-diene steroids as inhibitors of steriod 5--reductase Invented are carboxyl and carboxyl alkyl ester substituted 11-keto and hydroxy analogues of synthetic steroidal compounds, pharmaceutical compositions containing these compounds, and methods of using these compounds to inhibit steroid 5--reductase.... | 08/20/1991 |
| 4954490 | 11 ଲ-substituted progesterone analogs A 11ଲ-aryl-19-norprogesterone steroid of the formula: ##STR1## wherein (i) R1 is H, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl, OH, OC(O)CH3, or OC(O)R5, wherein R5 is C2-... | 09/04/1990 |
| 4954446 | Aromatic steroid 5--reductase inhibitors Invented are substituted acrylate analogues of steroidal synthetic compounds, pharmaceutial compositions containing the compounds, and methods of using these compounds to inhibit steroid 5--reductase including using these compounds to reduce prosta... | 09/04/1990 |
| 4720357 | New process for manufacturing derivatives of 17 alpha-hydroxy 19-nor progesterone and novel intermediates for use therein A process for making a known 6-methyl, 19-nor-pregna-4, 6-diene, 3.20-dione which begins with formylating a 3-alcoxy, 19-nor-pregna-3,5,17(20)-triene at the 6 position. The 6-formylated derivative is reduced to yield a 6-hydroxy methylated derivative, whi... | 01/19/1988 |
| 4530795 | Process for preparation of 16 -methyl corticoids from Ɗ16 -steroids This invention discloses a general process for the production of corticoids from respective steroid-type compounds having a double bond from C-16 to C-17. The invention provides a viable alternative synthesis of 17-hydroxy-progesterones and like co... | 07/23/1985 |
| 4424218 | Novel 3 -amino steroids A 3-amino-steroid of the formula ##STR1## wherein W is selected from the group consisting of hydrogen and --OH and taken together with X is ethylidene, X is selected from the group consisting of ethyl, ##STR2## the wavy line indicates the s... | 01/03/1984 |
| 4370271 | Process for the partial reduction of C21-steroid carboxylic acids and their esters to C21-steroid alcohols and new C21-steroid alcohols A process for the partial reduction of C21-steroid carboxylic acids and their esters to C21-steroid alcohols and new C21-steroid alcohols Ɗ4,17(20)-C21-steroid carboxylic acids optionally containing further double bonds in the 1- and/or 9(11)-position and the... | 01/25/1983 |
| 4360470 | Process and intermediates for the synthesis of Vitamin D3 metabolites and chenodeoxycholic acid The present disclosure is directed to a process for the synthesis of chenodeoxychloic acid, 25-hydroxycholesterol and 1,25-dihydroxycholesterol from 17-keto steroids. A cholic acid side chain is stereospecifically introduced by reaction of the appr... | 11/23/1982 |
| 4310467 | Process and intermediates for the synthesis of vitamin D3 metabolites The present disclosure is directed to a process and intermediates for the synthesis of Vitamin D3 metabolites such as 1,25-dihydroxycholecalciferol, 25-hydroxycholecalciferol and 24R,25-dihydroxycholecalciferol from 17-keto steroids via interme... | 01/12/1982 |
| 4272444 | Dehydroformylation of steroidal aldehydes The invention relates to a process for dehydroformylation of dinorcholanaldehydes and dinorcholenaldehydes to form 17(20)-pregnenes or 20-pregnenes. The dehydroformylation is carried out using a noble metal catalyst, and preferably carried out in the pres... | 06/09/1981 |
| 4255344 | 9--Hydroxy steroids 9-hydroxy-3-oxopregna-4,17(20)-diene-20-carboxylic acid and its methyl ester, and methods of microbiological production thereof, one comprising cultivating a Rhodococcus species in the presence of the corresponding 3-oxopregna-4,17(20)-diene-20-car... | 03/10/1981 |
| 4216159 | Synthesis of 16-unsaturated pregnanes from 17-keto steroids 17-Keto steroids (I) in their protected form (IIa or IIb) are reacted with a metalated olefin (VI) to give a 21-aldehyde (IV) which is readily transformed to a 16-unsaturated pregnane (V) which is useful in the production of commercially important substit... | 08/05/1980 |
| 4197296 | Androstanes Steroids of the androstane series are described which possess a 3-hydroxy group, a 5- or 5ଲ- hydrogen atom, a 10- methyl group, an 11- substituted amino group. The 17-position may be unsubstituted or substituted by a methyl or e... | 04/08/1980 |
| 4155923 | Process for the preparation of 17ଲ-hydroxy-20-alkoxypregnane-21-oic acid derivatives A process for the preparation of 17ଲ-hydroxy-20-alkoxypregnane-21-oic acid derivatives of the formula ##STR1## WHEREIN R1 is methyl or ethyl; R2 is hydrogen or methyl, either being in the -or ଲ-position; R | 05/22/1979 |
| 4150044 | Process for the manufacture of 17-hydroxy-21-acetoxy-progesterone The present invention relates to a process for the manufacture of 17 -hydroxy-21-acyloxy-progesterone, in particular of 17-hydroxy-21-acetoxy-progesterone (Reichstein's substance S acetate) which is of great importance as a starting material... | 04/17/1979 |
| 4092310 | Difluorosteroids and processes for their manufacture A novel group of 18,18-difluorosteroids of the general formula ##STR1## wherein St, R1 and R2 have the meanings given hereinafter is produced by a chemically novel process characterized in that a corresponding 18-oxo compound is... | 05/30/1978 |
| 4059575 | Process for the preparation of 17(20)ene-21-steroid aldehydes There is disclosed a process for the efficient conversion of 17--ethynyl 17-ଲ- hydroxy steroids into the corresponding 17(20) ଲ-unsaturated 21-steroid aldehydes. The process comprises the sequential steps of reacting the ethynyl ... | 11/22/1977 |
| 4055603 | Alkinyl terminating groups in biogenetic-like cyclizations to steroids Polyenine compounds are provided having the naturally occurring geometry and a group which in the presence of acid initiates a carbocation cyclization to a steroid or A-nor-steroid structure, particularly the pregnane parent structure. The compounds are f... | 10/25/1977 |
| 4031080 | 16-Alpha-methyl-17 alpha-bromo-1,4-pregnadiene-21-ol-3,20-dione-derivatives There is disclosed 16 alpha-methyl-17 alpha-bromo-1,4-pregnadiene-21-ol-3,20-dione-type compounds of the formula ##STR1## where R is hydrogen or acyl; X is hydrogen, bromine, or fluorine; Y is hydrogen or oxygen; and Z is hydrogen or - or �... | 06/21/1977 |
| 4022892 | 17ଲ-Ethynyl-3,17-estradiol and derivatives thereof 17ଲ-ethynyl-3,17-estradiol and derivatives thereof are prepared by epimerization of 17-acyl esters of 17-ethynyl-3,17ଲ-estradiol 3-ethers. 17-ethynyl-3,17-estradiol and its derivatives are active as post-coital... | 05/10/1977 |
| 3983112 | 17ଲ-Ethynyl-3,17-estradiol and derivatives thereof 17ଲ-ethynyl-3,17-estradiol and derivatives thereof are prepared by epimerization of 17-acyl esters of 17-ethynyl-3,17ଲ-estradiol 3-ethers. 17ଲ-ethynyl-3,17댞stradiol and its derivatives are active as post-coital ... | 09/28/1976 |
| 3946052 | 19-Norpregna- 1,3,5(10)-trien-3-ol and loweralkyl homologs thereof having postcoital antifertility activity 19-Norpregna-1,3,5(10)-trien-3-ol and loweralkyl homologs thereof wherein the alkyl group attached in the 17ଲ position contains from 2 to 7 carbon atoms. Said compounds, along with the corresponding known 17ଲ-methyl derivative, are found to ha... | 03/23/1976 |
