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Extract from the Register of European Patents

EP About this file: EP0252740

EP0252740 - Photosensitizer [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  18.10.1990
Database last updated on 11.09.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
SOLARCHEM RESEARCH, A DIVISION OF BROLOR INVESTMENTS LIMITED
516 Gordon Baker Road Willowdale
Ontario M2H 3B4 / CA
[N/P]
Former [1988/02]For all designated states
SOLARCHEM RESEARCH, A DIVISION OF BROLOR INVESTMENTS LIMITED
516 Gordon Baker Road
Willowdale Ontario M2H 3B4 / CA
Inventor(s)01 / Clarke E. Slemon
77 Finch Avenue East No 266 Willowdale
Ontario M2N 6H8 / CA
[1988/02]
Representative(s)Orr, William McLean, et al
Urquhart-Dykes & Lord LLP Tower North Central Merrion Way Leeds
LS2 8PA / GB
[N/P]
Former [1988/02]Orr, William McLean, et al
URQUHART-DYKES & LORD 5th Floor, Tower House Merrion Way
Leeds West Yorkshire, LS2 8PA / GB
Application number, filing date87306081.809.07.1987
[1988/02]
Priority number, dateCA1986051343609.07.1986         Original published format: CA 513436
[1988/02]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0252740
Date:13.01.1988
Language:EN
[1988/02]
Search report(s)(Supplementary) European search report - dispatched on:EP10.11.1987
ClassificationIPC:C07C172/00, B01J31/06, C08F2/50, C08F8/00
[1988/02]
CPC:
C07C401/00 (EP,US); C08F8/00 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/02]
TitleGerman:Photosensibilisatoren[1988/02]
English:Photosensitizer[1988/02]
French:Photosensibilisateurs[1988/02]
File destroyed:26.06.1996
Examination procedure07.07.1988Examination requested  [1988/36]
02.10.1989Despatch of communication of intention to grant (Approval: Yes)
20.02.1990Communication of intention to grant the patent
06.06.1990Application deemed to be withdrawn, date of legal effect  [1990/49]
11.07.1990Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [1990/49]
Fees paidRenewal fee
27.07.1989Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
31.07.199004   M06   Not yet paid
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Documents cited:Search[A]GB2058793  (WISCONSIN ALUMNI RES FOUND);
 [A]EP0130509  (HOFFMANN LA ROCHE [CH]);
 [A]US4609444  (GUILLET JAMES E [CA])
 [A]  - "RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS", JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY, vol. 89, no. 3, March 1970, pages 261-264, Amsterdam, NL; A.E.C. SNOEREN et al.: "Studies on vitamin D and related compounds. Part 21 - photosensitized reactions"
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.