Global Patent Index - EP 0975549 A1

EP 0975549 A1 2000-02-02 - MOLECULAR SIEVE

Title (en)

MOLECULAR SIEVE

Title (de)

MOLEKULARSIEB

Title (fr)

TAMIS MOLECULAIRE

Publication

EP 0975549 A1 (EN)

Application

EP 98921478 A

Priority

  • EP 9802369 W
  • GB 9707981 A

Abstract (en)

[origin: WO9847816A1] Molecular sieves with an enhanced content of active framework elements, e.g., titanium, are made by first depleting the concentration of the silica source in the synthesis mixture, e.g., by low temperature molecular sieve formation.

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

C01B 37/00; B01J 29/04

IPC 8 full level (invention and additional information)

C01B 37/00 (2006.01)

CPC (invention and additional information)

C01B 37/005 (2013.01)

Citation (search report)

See references of WO 9847816A1

Designated contracting state (EPC)

BE DE ES FR GB IT NL

EPO simple patent family

WO 9847816 A1 19981029; CA 2287519 A1 19981029; EP 0975549 A1 20000202; GB 9707981 D0 19970611

INPADOC legal status


2003-05-07 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20021103

2001-05-30 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: EXXONMOBIL CHEMICAL PATENTS INC.

- Ref Legal Event Code: RAP1

2000-08-16 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20000704

2000-02-02 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991023

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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