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Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 3,855,140

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Summary for Patent: 3,855,140

Abstract:The disclosure relates to cleansing compositions containing a soluble salt of chlorhexidine, a polyoxyethylenepolyoxypropylene block co-polymer and an inert diluent or carrier.
Inventor(s): Billany; Michael Royston (Macclesfield, EN), Longworth; Arthur Raymond (Macclesfield, EN), Shatwell; John (Macclesfield, EN)
Assignee: Imperial Chemical Industries Limited (London, EN)
Application Number:05/253,102
Patent Claim Types:
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Composition; Compound;

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Foreign Priority and PCT Information for Patent: 3,855,140

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom28764/71Jun 18, 1971

International Patent Family for Patent: 3,855,140

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina193103► Subscribe
Australia4274672► Subscribe
Australia459343► Subscribe
Belgium785049► Subscribe
Canada969442► Subscribe
Germany2229549► Subscribe
France2161882► Subscribe
United Kingdom1338003► Subscribe
Ireland36450► Subscribe
Israel39535► 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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Serving leading biopharmaceutical companies globally:

Farmers Insurance
Express Scripts
Fish and Richardson
Chinese Patent Office

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