blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0129343

EP0129343 - Ascorbic acid derivatives and a method for their preparation [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  12.04.1988
Database last updated on 31.08.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Markham, Richard Glover
945 Country Club Drive Prescott
Arizona 86301 / US
For all designated states
Elders, Gerald Wayne
38 Yakashba Estates Prescott
Arizona 83601 / US
For all designated states
Webb, Rockwell Colton
128 S. Mount Vernon Street Prescott
Arizona 86301 / US
[N/P]
Former [1984/52]For all designated states
Markham, Richard Glover
945 Country Club Drive
Prescott Arizona 86301 / US
For all designated states
Elders, Gerald Wayne
38 Yakashba Estates
Prescott Arizona 83601 / US
For all designated states
Webb, Rockwell Colton
128 S. Mount Vernon Street
Prescott Arizona 86301 / US
Inventor(s)01 / Markham, Richard Glover
945 Country Club Drive
Prescott Arizona 86301 / US
[1984/52]
Representative(s)Harrison, Ivor Stanley, et al
Withers & Rogers LLP
4 More London Riverside
London
SE1 2AU / GB
[N/P]
Former [1987/04]Harrison, Ivor Stanley, et al
Withers & Rogers 4 Dyer's Buildings Holborn
London EC1N 2JT / GB
Former [1986/30](deleted)
Former [1984/52]Stephens, Michael John
M.J. Stephens & Co. 46 Tavistock Place
Plymouth PL4 8AX / GB
Application number, filing date84303423.221.05.1984
[1984/52]
Priority number, dateUS1983049628719.05.1983         Original published format: US 496287
[1984/52]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0129343
Date:27.12.1984
Language:EN
[1984/52]
Type: A3 Search report 
No.:EP0129343
Date:04.11.1987
Language:EN
[1987/45]
Search report(s)(Supplementary) European search report - dispatched on:EP14.09.1987
ClassificationIPC:C08G63/08, C07D307/62
[1984/52]
CPC:
C08G63/08 (EP); C07D307/62 (EP)
Designated contracting statesDE,   FR,   GB,   IT [1984/52]
TitleGerman:Ascorbinsäure-Derivate und ein Verfahren zu ihrer Herstellung[1984/52]
English:Ascorbic acid derivatives and a method for their preparation[1984/52]
French:Dérivés de l'acide ascorbique et un procédé pour leur préparation[1984/52]
File destroyed:08.08.1994
Examination procedure02.06.1987Application deemed to be withdrawn, date of legal effect  [1988/22]
05.01.1988Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [1988/22]
Fees paidRenewal fee
14.11.1986Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
11.11.198603   M06   Fee paid on   14.11.1986
01.06.198704   M06   Not yet paid
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Stay/Interruption24.09.1985Interruption of proceedings. Reason: representative has died
11.11.1986Resumption of proceedings
Documents cited:Search[A]GB1251787
 [A]  - CHEMICAL ABSTRACTS, vol. 90, no. 17, 23rd April 1979, page 40, abstract no. 132754s, Columbus, Ohio, US; C. MARTINAPONTE et al.: "Treatment of bovine leukemia virus in dairy cattle", & IRCS. MED. SCI.: LIBR. COMPEND. 1978, 8(12)522
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.