Generated: December 18, 2017
DrugPatentWatch Database Preview
Details for Patent: 5,639,738
« Back to Dashboard
Summary for Patent: 5,639,738
|Title:|| Treatment of basal cell carcinoma and actinic keratosis employing hyaluronic acid and NSAIDs|
|Abstract:||A method of treating a mammal for a condition of the skin or exposed tissue selected from the group consisting of basal cell carcinoma and actinic keratosis is provided. The method consists essentially of topically administering to the site of the condition, more than once per day over a period of days sufficient to treat the condition, a non-toxic effective dosage amount of a composition consisting essentially of (a) a non-steroidal anti-inflammatory drug (NSAID) in an amount sufficient to block prostaglandin synthesis, (b) hyaluronic acid or a pharmaceutically acceptable salt thereof in an amount effective to transport said NSAID into the skin or exposed tissue at the site of the condition. The concentration of the hyaluronic add or salt thereof is between 1-3% by weight of the composition. The molecular weight of the hyaluronic acid or salt thereof is between 150,000 and 750,000 Daltons. A pharmaceutical excipient suitable for topical application is included. The NSAID in the composition may be diclofenac sodium.|
|Inventor(s):|| Falk; Rudolf Edgar (Toronto, CA), Asculai; Samuel Simon (Toronto, CA) |
|Assignee:|| Hyal Pharmaceutical Corporation (Mississauga, CA) |
Patent Claim Types:|
see list of patent claims
|Use; Composition; |
No matches for this query
Foreign Priority and PCT Information for Patent: 5,639,738
|Foriegn Application Priority Data|
||Foreign Patent Number
||Foreign Patent Date
|Canada||2061566||Feb 20, 1992|
International Patent Family for Patent: 5,639,738
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws,
it is advisable to have patent counsel verify freedom to operate.
Serving leading biopharmaceutical companies globally:
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.