EP0918751 - PROCESS FOR THE DEALKYLATING SULFONATION OF P-ALKYL CALIXARENES [Right-click to bookmark this link] | |||
Former [1999/22] | PROCESS FOR THE DEALKYLATING SULFONATION OF $i(P)-ALKYL CALIXARENES | ||
[1999/52] | Status | No opposition filed within time limit Status updated on 02.11.2001 Database last updated on 25.04.2018 | Most recent event Tooltip | 06.08.2004 | Lapse of the patent in a contracting state New state(s): LU | published on 22.09.2004 [2004/39] | Applicant(s) | For all designated states Transdiffusia S.A. 7, avenue Krieg 1208 Genève / CH | [1999/22] | Inventor(s) | 01 /
LAMARTINE, Roger 166, avenue Roger Salengro F-69100 Villeurbanne / FR | 02 /
REGNOUF DE VAINS, Jean-Bernard 9, rue du Lac F-69003 Lyon / FR | 03 /
CHOQUARD, Philippe Chemin de la Gradelle 23 CH-1223 Cologny / CH | 04 /
MARCILLAC, Arnold 3, rue du Port F-01150 St. Sorlin en Bugey / FR | [1999/22] | Representative(s) | Mohnhaupt, Dietrich
, et al
IPTO S.A. Optingenstrasse 16 3000 Bern 25 / CH | [N/P] |
Former [1999/22] | Mohnhaupt, Dietrich
, et al
IPTO S.A., Route de la Fonderie 8 1705 Fribourg / CH | Application number, filing date | 97925238.4 | 24.06.1997 | [1999/22] | WO1997IB00769 | Priority number, date | US19960671170 | 26.06.1996 Original published format: US 671170 | [1999/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9749677 | Date: | 31.12.1997 | Language: | EN | [1998/05] | Type: | A1 Application with search report | No.: | EP0918751 | Date: | 02.06.1999 | Language: | EN | The application has been published by WIPO in one of the EPO official languages on 31.12.1997 | [1999/22] | Type: | B1 Patent specification | No.: | EP0918751 | Date: | 27.12.2000 | Language: | EN | [2000/52] | Search report(s) | International search report - published on: | EP | 31.12.1997 | Classification | International: | C07C303/02, C07C309/43 | [1999/22] | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IE, IT, LI, LU, NL, SE [1999/22] | Title | German: | VERFAHREN ZUR DEALKYLIERENDEN SULFONIERUNG VON P-ALKYL-CALIXARENEN | [1999/22] | English: | PROCESS FOR THE DEALKYLATING SULFONATION OF P-ALKYL CALIXARENES | [1999/52] | French: | PROCEDE DE DESALKYLATION ET DE SULFONATION DES CALIXARENES P-ALKYL | [1999/52] |
Former [1999/22] | PROCESS FOR THE DEALKYLATING SULFONATION OF $i(P)-ALKYL CALIXARENES | ||
Former [1999/22] | PROCEDE DE DESALKYLATION ET DE SULFONATION DES CALIXARENES $i(p)-ALKYL | Entry into regional phase | 14.12.1998 | National basic fee paid | 14.12.1998 | Designation fee(s) paid | 14.12.1998 | Examination fee paid | Examination procedure | 22.01.1998 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 14.12.1998 | Examination requested [1999/22] | 21.06.1999 | Despatch of a communication from the examining division (Time limit: M04) | 04.08.1999 | Reply to a communication from the examining division | 14.04.2000 | Despatch of communication of intention to grant (Approval: Yes) | 23.06.2000 | Communication of intention to grant the patent | 26.07.2000 | Fee for grant paid | 26.07.2000 | Fee for publishing/printing paid | Opposition(s) | 28.09.2001 | No opposition filed within time limit [2001/51] | Fees paid | Renewal fee | 22.06.1999 | Renewal fee patent year 03 | 16.06.2000 | Renewal fee patent year 04 | Lapses during opposition Tooltip | SE | 27.12.2000 | LU | 24.06.2001 | IE | 25.06.2001 | [2004/39] |
Former [2002/48] | SE | 27.12.2000 | |
IE | 25.06.2001 | ||
Former [2002/23] | SE | 27.12.2000 | Cited in | International search | [X]WO9212708 (GENELABS INC [US]) [X] 1-9 * see figures 8 and 9A, page 22, lines 22-31, and page 51, example 2A *; | [X] - S. SHINKAI ET AL., "New synthesis of calixarene-p-sulphonates and p-nitrocalixarenes", JOURNAL OF THE CHEMICAL SOCIETY, PERKIN TRANSACTIONS I, LONDON, GB, (198711), no. 11, pages 2297 - 9, XP002038859 [X] 9 * the whole document * DOI: http://dx.doi.org/10.1039/p19870002297 | [X] - J.W. STEED ET AL., "Supramolecular chemistry of p-sulfonatocalix[5]arene: a water-soluble, bowl-shaped host with a large molecular cavity", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, WASHINGTON DC, US, (19951122), vol. 117, no. 46, pages 11426 - 33, XP002038860 [X] 1-9 * see page 11427, left-hand column, preparation of 1b, first step * DOI: http://dx.doi.org/10.1021/ja00151a006 | [A] - H.J.A. LAMBRECHTS ET AL., "Aromatic sulphonation. Part 93. Sulphonation of the three t-butylphenols, four di-t-butylphenols, and 2,4,6-tri-t-butylphenol", JOURNAL OF THE CHEMICAL SOCIETY, PERKIN TRANSACTIONS II, LONDON, GB, (198505), no. 5, pages 677 - 82, XP002038861 [A] 1-9 * the whole document * DOI: http://dx.doi.org/10.1039/p29850000677 |