Drug patents …
… from Kazakhstan to Kalamazoo
Manage your formulary budget
Find generic entry opportunities
Deep knowledge on
small-molecule drugs and
the 110,000 global patents
Anticipate generic drug launch
Proactively manage your pharmacy inventory
Flat-rate pricing for predictable budgeting
Short-term plans for project- or client-based billing
Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing
|Abstract:||1-Hydroxy-3-alkyl-9-keto or 9-hydroxyhexahydro dibenzo[b,d]pyrans, useful as tranquilizers or hypotensive agents are dispersed with PVP or polyethylene glycol.|
|Inventor(s):||Thakkar; Arvind L. (Indianapolis, IN)|
|Assignee:||Eli Lilly and Company (Indianapolis, IN)|
1. A dispersion of 2-20 parts of polyvinylpyrrolidone having a molecular weight in the range 10,000-360,000 with one part of a compound of the formula ##SPC2##
wherein Z is ##EQU4## or ##EQU5## wherein each R is individually hydrogen or C.sub.1 -C.sub.3 alkanoyl, wherein R.sup.3 is hydrogen or methyl, wherein each R.sup.2 is either hydrogen or methyl, and both R.sup.2 groups are the same, and wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl.
2. A dispersion according to claim 1 containing 1 part of 1-hydroxy-3-(1',1'-dimethylheptyl)-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro- 9H-dibenzo[b,d]pyran-9-one and 9 part of a polyvinylpyrrolidone having a molecular weight in the range 10,000-360,000.
3. A dispersion according to claim 1 wherein the compound is 1-hydroxy-3-(1',1'-dimethylheptyl)-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro- 9H-dibenzo[b,d]pyran-9-one.
4. A dispersion according to claim 3 of polyvinylpyrrolidone of molecular weight 40,000 and 1-hydroxy-3-(1',1'-dimethylheptyl)-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro- 9H-dibenzo[b,d]pyran-9-one.
Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.