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

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: EP1243750

EP1243750 - Carboxyalkyl substituted polygalactomannan fracturing fluids [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  27.07.2007
Database last updated on 07.10.2024
Most recent event   Tooltip27.07.2007Application deemed to be withdrawnpublished on 29.08.2007  [2007/35]
Applicant(s)For all designated states
RHODIA INC.
Prospect Plains Road
Cranbury, New Jersey 08512 / US
[2002/39]
Inventor(s)01 / Moorhouse, Ralph
312 Bless Circle
Richboro, Pennsylvania 18954 / US
02 / Cottrell, Ian William
2206 Yardley Road
Yardley, Pennsylvania 19067 / US
 [2002/39]
Representative(s)Kyle, Diana, et al
Elkington and Fife LLP, Prospect House, 8 Pembroke Road Sevenoaks
Kent TN13 1XR / GB
[N/P]
Former [2002/49]Kyle, Diana, et al
Elkington & Fife, Prospect House, 8 Pembroke Road
Sevenoaks, Kent TN13 1XR / GB
Former [2002/39]Hall, Marina
Elkington and Fife Prospect House, 8 Pembroke Road
Sevenoaks, Kent TN13 1XR / GB
Application number, filing date02076822.222.04.1996
[2002/39]
Priority number, dateUS1995042826325.04.1995         Original published format: US 428263
[2002/39]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1243750
Date:25.09.2002
Language:EN
[2002/39]
Type: A3 Search report 
No.:EP1243750
Date:11.12.2002
[2002/50]
Search report(s)(Supplementary) European search report - dispatched on:EP24.10.2002
ClassificationIPC:E21B43/26, C08L5/14
[2002/39]
CPC:
C08L5/14 (EP,US); C08B37/0096 (EP,US); C09K8/685 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2002/39]
TitleGerman:Carboxyalkyl substituierte Polygalaktomannan enthaltende Fracturing-Flüssigkeiten[2002/39]
English:Carboxyalkyl substituted polygalactomannan fracturing fluids[2002/39]
French:Fluides de fracturation constitués de polygalactommannane substitué par un groupe carboxyalkyle[2002/39]
Examination procedure22.05.2002Examination requested  [2002/39]
31.10.2003Despatch of a communication from the examining division (Time limit: M04)
31.01.2004Reply to a communication from the examining division
22.11.2004Despatch of a communication from the examining division (Time limit: M06)
01.06.2005Reply to a communication from the examining division
29.08.2006Despatch of a communication from the examining division (Time limit: M06)
09.03.2007Application deemed to be withdrawn, date of legal effect  [2007/35]
13.04.2007Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2007/35]
Parent application(s)   TooltipEP96913054.1  / EP0824632
Fees paidRenewal fee
22.05.2002Renewal fee patent year 03
22.05.2002Renewal fee patent year 04
22.05.2002Renewal fee patent year 05
22.05.2002Renewal fee patent year 06
22.05.2002Renewal fee patent year 07
14.04.2003Renewal fee patent year 08
15.04.2004Renewal fee patent year 09
13.04.2005Renewal fee patent year 10
17.03.2006Renewal fee patent year 11
12.04.2007Renewal fee patent year 12
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.
Documents cited:Search[A]US3740389  (NORDGREN R) [A] * column 3, line 48 - line 50 *;
 [XY]US4324668  (HARRIS LAWRENCE E) [X] 1,4,5,8,9,20 * column 3, line 21 * * column 4, line 24 - line 25 * * column 8; claims 1,3 * [Y] 2,3,6,7,10-19,21-29;
 [A]US4514309  (WADHWA SURESH K [US]) [A] 6,7,22,25,30 * column 3, line 27 - line 36 *;
 [YA]US5165479  (HARRIS PHILLIP C [US], et al) [Y] 6,7,22,25 * column 3, line 27 - line 36 * [A] 30;
 [DY]US5305832  (GUPTA D V SATYANARAYANA [US], et al) [DY] 2,3,10-19,21,23,24,26-29 * column 2, line 3 - line 6; claims 1,6,7 * * column 3, line 25 - line 35 * * column 3, line 51 - line 53 *
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.