Nova Patents
AT207343T

Compositions including O-carboxymethyl chitosan and use in ophthalmics

Abstract

(57) Use of the combination thing containing summary O* カルボキシアル kill chitosan and this combination thing in ophthalmological combination things. Especially in the ophthalmological combination thing which must hold transparency, O* カルボキシアル kill chitosan is useful, when the bioavailability of an eye is increased, it stores by acid pH especially and it is applied to an eye by physiological pH of about 7.4 pH.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

17 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
51642095United States of AmericaA
9603477European Patent Office (EPO)W

Members17

Family members, oldest first
DocumentOfficeKind
WO9706782A1World Intellectual Property Organization (WIPO)A1
WO9707139A2World Intellectual Property Organization (WIPO)A2
AU6742696AAustraliaA
AU6789796AAustraliaA
WO9707139A3World Intellectual Property Organization (WIPO)A3
EP0844868A1European Patent Office (EPO)A1
US5773608AUnited States of AmericaA
JPH11510497AJapanA
TW389694BTaiwan Province of ChinaB
EP0844868B1European Patent Office (EPO)B1
AT207343TThis recordAustriaT
ATE207343T1AustriaT1
DE69616347D1GermanyD1
DK0844868T3DenmarkT3
PT844868EPortugalE
ES2166905T3SpainT3
DE69616347T2GermanyT2