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EP0107941A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Soft buccal

Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1983-10-07
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Granted: —
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Expires: 2003-10-07
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Abstract

Abstract A soft buccal containing (1) a medicament to be absorbed through the oral mucosa, (2) a water-soluble protein, (3) a polyhydric alcohol, and (4) a fatty acid ester or l and a carboxyvinyl polymer, has various advantages such as good feeling in use, good retainability within the mouth, slow release, improved absorbability of drug through the mucosa, improved bioavailability, etc., and therefore can be used an excellent pharmaceutical preparation for administration to the mucous membrane of the mouth.

Inventors

  • 👤 Kazuo Kigasawa
  • 👤 Hiroaki Shimizu
  • 👤 Toshihiro Hayashi
  • 👤 Kazuo Watabe
  • 👤 Akira Tanizaki
  • 👤 Osamu Koyama.
  • 👤 Kikuo Wakisaka
  • 👤 Yasuaki Ogawa

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 19:38
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/0012; A61K9/0053; A61K9/006

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 33 words
A soft buccal which contains (1) a medicament to be absorbed through the oral mucosa; (2) a water-soluble protein; (3) a polyhydric alcohol; and (4) a fatty acid ester or/and a carboxyvinyl polymer.
Claim 2
Dependent Claim 33 words
A soft buccal which contains (1) a medicament to be absorbed through the oral mucosa; (2) a water-soluble protein; (3) a polyhydric alcohol; and (4) a fatty acid ester or/and a carboxyvinyl polymer.
Claim 3
Dependent Claim 35 words
A soft buccal as claimed in Claim l, wherein the water-soluble protein is at least one selected from gelatin; solubilized collagen; casein; glue; hydrolysates from gelatin, solubilized collagen, casein or glue; polyalanine; polylysine and polyglutamine.
Claim 4
Dependent Claim 14 words
A soft buccal as claimed in Claim 1, wherein the water-soluble protein is gelatin.
Claim 5
Dependent Claim 22 words
A soft buccal as claimed in Claim 1, wherein the polyhydric alcohol is at least one selected from glycol, triol and polyol.
Claim 6
Dependent Claim 65 words
A soft buccal as claimed in Claim 1, wherein the polyhydric alcohol is at least one selected from ethylene glycol; propylene glycol; butylene glycol; polyethylene glycol; glycerin; trimethylolpropane; polyvinyl alcohol; methylcellulose; ethylcellulose; propylcellulose; hydroxymethylcellulose; hydroxyethylcellulose; carboxymethylcellulose or an alkali metal salt thereof; glucose; galactose; fructose; mannose; mannitol; sorbitol; maltose; lactose; sucrose; carboxymethyl-starch; hydroxypropyl-starch; dextrin; dextran; chitin; alginic acid; glycogen; Furlan®; mannan; pectin; and gum arabic.
Claim 7
Dependent Claim 17 words
A soft buccal as claimed in Claim 1, wherein the polyhydric alcohol is glycerin or propylene glycol.
Claim 8
Dependent Claim 26 words
A soft buccal as claimed in Claim 1, wherein the fatty acid ester is a monoalcohol or polyalcohol ester of a saturated or unsaturated fatty acid.
Claim 9
Dependent Claim 19 words
A soft buccal as claimed in Claim 1, wherein the fatty acid ester is a sucrose fatty acid ester.
Claim 10
Dependent Claim 21 words
A soft buccal as claimed in Claim 1, wherein the carboxyvinyl polymer is polyacrylic acid, polymethacrylic acid or a salt thereof.
Claim 11
Dependent Claim 27 words
A base composition for a soft buccal which comprises (1) a water-soluble protein, (2) a polyhydric alcohol, and (3) a fatty acid ester or/and a carboxyvinyl polymer.
Claim 12
Dependent Claim 27 words
A base composition for a soft buccal which comprises (1) a water-soluble protein, (2) a polyhydric alcohol, and (3) a fatty acid ester or/and a carboxyvinyl polymer.

References Cited (Backward Citations)

US2830584A Cited
US3133862A Cited
US4250163A Cited

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