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Serving hundreds of leading biopharmaceutical companies globally:

Queensland Health
Harvard Business School
Farmers Insurance

Generated: April 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 3,988,439

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Title: Dibenzo[b,d]pyranone dispersions
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)
Filing Date:Jun 23, 1975
Application Number:05/589,311
Claims:1. A dispersion of 2-20 parts of polyethyleneglycol having a molecular weight in the range 1000-6000, with one part of a compound of the formula ##SPC2##

wherein Z is ##EQU1## 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 [, or C.sub.2 -C.sub.6 alkenyl].

2. 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.

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Serving hundreds of leading biopharmaceutical companies globally:

Cantor Fitzgerald
Queensland Health
Express Scripts

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