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US Patent 4543251 - Gel preparations for external application

US Patent Issued on September 24, 1985
Estimated Patent Expiration Date: Icon_subject December 9, 2003Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

A gel preparation for external application by being prepared from diclofenac sodium as the active ingredient, water, lower alkanols and glycols as medium, a carboxyvinyl polymer as gelating agent, a weak basic substances and optionally adding peppermint oil, l-menthol or salicylic acid ester as auxiliary agent.

Inventor

Assignee

Application

No. 06/559730 filed on 12/09/1983

US Classes:

514/162, With organic nitrogen containing compound424/78.05, Anti-inflammatory or anti-irritant (e.g., anti-arthritic, etc.)514/567Benzene ring nonionically bonded

Examiners

Primary: Friedman, Stanley J.

Attorney, Agent or Firm

US Patent References

3749773, 4309414Antiinflammatory analgesic gelled ointment
Issued on: 01/05/1982
Inventor: Inagi ,   et al.

International Classes

A61K 47/00 (20060101)
A61K 31/185 (20060101)
A61K 31/195 (20060101)

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