Nova Patents
RO85252A

Method of obtaining tertiary ethyl butyl ether

Abstract

This record has no abstract on file.

Term

Term ended

Projected expiry passed 1 April 1997, 29.5 years ago.

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

59 members in 38 offices

This recordMember, by publication datePriority claim28 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
2103281ItalyA

Members59

Family members, oldest first
DocumentOfficeKind
PT74729APortugalA
ZW6982A1ZimbabweA1
BE892810ABelgiumA
IT8121032A1ItalyA1
DK161182ADenmarkA
NO821137LNorwayL
SE8202177LSwedenL
AU8183382AAustraliaA
FR2503700A1FranceA1
GB2096603AUnited KingdomA
PL235879A1PolandA1
DE3213048A1GermanyA1
NL8201474ANetherlands (Kingdom of the)A
JPS57179130AJapanA
ZA821966BSouth AfricaB
BR8201672ABrazilA
ES511631A0SpainA0
ES8304055A1SpainA1
ES8304055A1SpainA1
TR20973ATürkiyeA
LU84079A1LuxembourgA1
DD202138A5German Democratic Republic (until 1990)A5
MW1882A1MalawiA1
KR830008967ARepublic of KoreaA
FR2503700B1FranceB1
ZM2682A1ZambiaA1
DE3213048C2GermanyC2
GR76144BGreeceB
RO85252AThis recordRomaniaA
US4475005AUnited States of AmericaA
RO85252BRomaniaB
IN154601BIndiaB
PH17734APhilippinesA
NZ200097ANew ZealandA
AR231528A1ArgentinaA1
PT74729BPortugalB
GB2096603BUnited KingdomB
YU79082AYugoslavia, later Serbia and Montenegro (until 2006)A
CS236673B2Czechoslovakia (until 1993)B2
KR850001734B1Republic of KoreaB1
SU1223839A3Soviet Union (until 1991)A3
CA1203253ACanadaA
PL137664B1PolandB1
IT1137527BItalyB
IT8121032A0ItalyA0
IT8121032D0ItalyD0
EG15570AEgyptA
AU556360B2AustraliaB2
NO155661BNorwayB
ATA119282AAustriaA
NO155661CNorwayC
AT384015BAustriaB
SE459175BSwedenB
HU198635BHungaryB
YU44338BYugoslavia, later Serbia and Montenegro (until 2006)B
MX161991AMexicoA
JPH0354093B2JapanB2
NL188846BNetherlands (Kingdom of the)B
NL188846CNetherlands (Kingdom of the)C