Nova Patents
JPS565689B2

Process for the production of berlin blue

Abstract

This record has no abstract on file.

Term

Term ended

Expired 9 December 1994, 31.8 years ago.

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

47 members in 12 offices

This recordMember, by publication datePriority claim2 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
2361354GermanyA

Members47

Family members, oldest first
DocumentOfficeKind
BE811226ABelgiumA
NL7402258ANetherlands (Kingdom of the)A
DE2308122A1GermanyA1
FR2218366A1FranceA1
JPS49114600AJapanA
DD109654A5German Democratic Republic (until 1990)A5
BE823142RBelgiumR
BE823143ABelgiumA
NL7415990ANetherlands (Kingdom of the)A
DE2361354A1GermanyA1
FR2253796A2FranceA2
DE2362850A1GermanyA1
DE2362849A1GermanyA1
JPS5091599AJapanA
DD115690A6German Democratic Republic (until 1990)A6
US3915733AUnited States of AmericaA
DD117239A6German Democratic Republic (until 1990)A6
IT1000545BItalyB
ES421512A1SpainA1
NL7415991ANetherlands (Kingdom of the)A
DE2453014A1GermanyA1
GB1438064AUnited KingdomA
FR2290481A1FranceA1
DE2308122B2GermanyB2
AR206907A1ArgentinaA1
ES432510A1SpainA1
US3985571AUnited States of AmericaA
ES432505A2SpainA2
FR2218366B1FranceB1
FR2253796B2FranceB2
US4046861AUnited States of AmericaA
CA1018704ACanadaA
GB1491697AUnited KingdomA
GB1492050AUnited KingdomA
DE2361354B2GermanyB2
CA1029505ACanadaA
CA1033506ACanadaA
DE2361354C3GermanyC3
JPS5337838B2JapanB2
IT1027033BItalyB
FR2290481B1FranceB1
JPS565689B2This recordJapanB2
AR229334A1ArgentinaA1
NL179487BNetherlands (Kingdom of the)B
NL179743BNetherlands (Kingdom of the)B
NL179487CNetherlands (Kingdom of the)C
NL179743CNetherlands (Kingdom of the)C