Nova Patents
BR7409883A

Photoactivated bleaching process

Abstract

This record has no abstract on file.

Term

Term ended

Projected expiry passed 26 November 1989, 36.8 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

6 members in 6 offices

This recordMember, by publication datePriority claim

Priority claims1

Priority claims
DocumentOfficeKindDate
41932073United States of AmericaA

Members6

Family members, oldest first
DocumentOfficeKind
JPS50113479AJapanA
BR7409883AThis recordBrazilA
ES432342A1SpainA1
US4033718AUnited States of AmericaA
CA1031652ACanadaA
PH15875APhilippinesA