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US 5,478,567 AGranted
Antiphlogistic analgesic plaster
AssigneeHisamitsu Pharmaceutical Co., Inc.
InventorsAkira Nakagawa, Munehiko Hirano, Tetsuro Tateishi
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Abstract
An antiphlogistic analgesic plaster which comprises as essential ingredients: (a) at least one nonsteroidal antiphlogistic analgesic drug selected from among ketoprofen, flurbiprofen, loxoprofen, ketorolac and ester derivatives or salts thereof, (b) a solubilizer comprising a combination of a rosin ester derivative with l-menthol, (e) a styrene/isoprene/styrene block copolymer employed as a base polymer, (d) a softener, and (e) a backing comprising a polyester cloth.
Claims5
An antiphlogistic analgesic plaster consisting essentially of:
- (a) a nonsteroidal antiphlogistic analgesic drug selected from the group consisting of ketoprofen, flurbiprofen, loxoprofen, ketorolac, ester derivatives salts thereof, and mixtures thereof;
- (b) a solubilizer comprising a combination of a rosin ester derivative with l-menthol;
- (c) a styrene/isoprene/styrene block copolymer employed as a base polymer;
- (d) a softener selected from the group consisting of oils, olefinic acids, and liquid paraffin;
- and
- (e) a backing comprising a polyester cloth, the nonsteroidal antiphlogistic analgesic drug, rosin ester derivative, l-menthol, styrene/isoprene/styrene block copolymer and softener being present in respective mixing ratios by weight of from 0.5 to 10.0%, from 5.0 to 70.0%, from 0.5 to 15.0%, from 5.0 to 40.0% and from 10.0 to 75.0% in this order, the amounts of all said ingredients totalling 100% by weight,
- the nonsteroidal antiphlogistic analgesic drug, rosin ester derivative and l-menthol being present in a mixing ratio of 1.0:3.0-11.0:1.0-4.0.
4 more elements
Dependencies are inferred from the claim text.