GB2004746A — Compositions containing benzocaine
Assigned to MSD International Holdings GmbH · Expires 1979-04-11 · 47y expired
What this patent protects
A cosmetically elegant and stable oil-in-water emulsion for use as a topical anesthetic contains 0.5-15% benzocaine solubilized in water with a polypropylene glycol ether of butyl alcohol having the formula <IMAGE> where n is an integer having an average value of 15-53.
USPTO Abstract
A cosmetically elegant and stable oil-in-water emulsion for use as a topical anesthetic contains 0.5-15% benzocaine solubilized in water with a polypropylene glycol ether of butyl alcohol having the formula <IMAGE> where n is an integer having an average value of 15-53.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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