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Generated: April 24, 2017

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Details for Patent: 4,562,060

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Summary for Patent: 4,562,060

Title: Local anesthetic mixture for topical application, process for its preparation, as well as method for obtaining local anesthesia
Abstract:The present invention relates to pharmacological active preparations, especially local anesthetic preparations and deals with the problem of i a obtaining a solution of a local anesthetic agent in the form of its base, where the concentration is higher than otherwise possible. This problem has been dissolved according to the present invention thereby that one local anesthetic agent in the form of its base and as such having a melting point of 30.degree. to 50.degree. C., preferably prilocaine or tetracaine, is provided with one other local anesthetic agent in the form of its base and as such having a melting point of above 30.degree. C., preferably above 40.degree. C., preferably bensocaine, lidocaine, bupivacaine, mepivacaine, etidocaine or tetracaine which agents when brought and heated together form a homogenous oil having a melting of preferably below 40.degree. C., more preferably below 25.degree. C.
Inventor(s): Broberg; Berndt F. J. (Sodertalje, SE), Evers; Hans C. A. (Sodertalje, SE)
Assignee: Astra Lakemedel Aktiebolag (SE)
Application Number:06/684,458
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Foreign Priority and PCT Information for Patent: 4,562,060

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden7713618Dec 01, 1977

International Patent Family for Patent: 4,562,060

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Denmark538978► Subscribe
Denmark154187► Subscribe
Germany2861326► Subscribe
Germany2861141► Subscribe
Germany2851369► Subscribe
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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.

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