Global Patent Index - EP 0734429 B1

EP 0734429 B1 2001-04-18 - USE OF TERTIARY-HEXYL METHYL ETHER AS A MOTOR GASOLINE ADDITIVE

Title (en)

USE OF TERTIARY-HEXYL METHYL ETHER AS A MOTOR GASOLINE ADDITIVE

Title (de)

VERWENDUNG VON T-HEXYL METHYLÄTHER ALS ADDITIV FÜR MOTORBENZIN

Title (fr)

UTILISATION D'ETHER D'HEXYLE METHYLE TERTIAIRE COMME ADDITIF POUR ESSENCE MOTEUR

Publication

EP 0734429 B1 (EN)

Application

EP 95904872 A

Priority

  • US 9414234 W
  • US 16739093 A

Abstract (en)

[origin: WO9516763A1] A tertiary-hexyl methyl ether composition comprising 2-methoxy-2,3-dimethyl butane (MDMB) in an amount of at least 10 % by weight based on the total tertiary-hexyl methyl ethers is useful as an octane booster for motor gasoline or motor gasoline feedstock.

IPC 1-7 (main, further and additional classification)

C10L 1/02

IPC 8 full level (invention and additional information)

C10L 1/06 (2006.01); C10L 1/02 (2006.01); C10L 1/16 (2006.01); C10L 1/182 (2006.01); C10L 1/185 (2006.01); C10L 10/02 (2006.01); C10L 10/10 (2006.01)

CPC (invention and additional information)

C10L 1/1852 (2013.01); C10L 1/023 (2013.01); C10L 10/02 (2013.01); C10L 10/10 (2013.01)

Designated contracting state (EPC)

BE DE DK ES FR GB IT NL SE

EPO simple patent family

WO 9516763 A1 19950622; AU 1338795 A 19950703; AU 685564 B2 19980122; CA 2178955 A1 19950622; DE 69427133 D1 20010523; DE 69427133 T2 20011018; EP 0734429 A1 19961002; EP 0734429 B1 20010418; JP H09506660 A 19970630; SG 67335 A1 19990921

INPADOC legal status


2005-12-13 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20051213

2002-07-31 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20011213

2002-07-02 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20020702

2002-04-10 [26N] NO OPPOSITION FILED

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-12-13 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20011213

2001-10-30 [PG25 ES] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: ES

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20011030

2001-09-14 [EN] FR: TRANSLATION NOT FILED

2001-09-03 [NLV1] NL: LAPSED OR ANNULLED DUE TO FAILURE TO FULFILL THE REQUIREMENTS OF ART. 29P AND 29M OF THE PATENTS ACT

2001-08-01 [NLT2] NL: MODIFICATIONS (OF NAMES), TAKEN FROM THE EUROPEAN PATENT PATENT BULLETIN

- Owner name: EXXONMOBIL CHEMICAL PATENTS INC.

2001-07-18 [PG25 DK] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DK

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20010718

2001-07-18 [PG25 SE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: SE

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20010718

2001-06-01 [ITF] IT: TRANSLATION FOR A EP PATENT FILED

- Owner name: BARZANO' E ZANARDO MILANO S.P.A.

2001-05-30 [RAP2] TRANSFER OF RIGHTS OF AN EP GRANTED PATENT

- Owner name: EXXONMOBIL CHEMICAL PATENTS INC.

2001-05-23 [REF] CORRESPONDS TO:

- Document: DE 69427133 20010523

2001-04-18 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): BE DE DK ES FR GB IT NL SE

2001-04-18 [PG25 BE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: BE

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20010418

2001-04-18 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20010418

2001-04-18 [PG25 NL] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: NL

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20010418

1998-12-09 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19981023

1996-10-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19960626

1996-10-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE DK ES FR GB IT NL SE