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 information for Unitary Patents.

2024-03-06

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP1188437

EP1188437 - Beta-hydroxybutyric acid or acetoacetic acid or salts or esters therof for use in improving cerebral function [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  18.06.2010
Database last updated on 14.05.2024
Most recent event   Tooltip18.06.2010Change - refusalpublished on 21.07.2010  [2010/29]
Applicant(s)For all designated states
BTG INTERNATIONAL LIMITED
10 Fleet Place, Limeburner Lane
London EC4M 7SB / GB
[N/P]
Former [2002/12]For all designated states
BTG INTERNATIONAL LIMITED
10 Fleet Place, Limeburner Lane
London EC4M 7SB / GB
Inventor(s)01 / Hiraide, Atsushi, M.D.
3-1-35, Miyayama-cho
Toyonaka-shi / JP
02 / Dohi, Sekiko, Ph. D.
Shimizu Pharmaceutical Co., Ltd., 235, Miyakami
Shimizu-shi, Shizuoka 424 / JP
03 / Suzuki, Motohisa
Shimizu Pharmaceutical Co., Ltd., 235, Miyakami
Shimizu-shi, Shizuoka 424 / JP
04 / Shiba, Yoshihiro
Shimizu Pharmaceutical Co., Ltd., 235, Miyakami
Shimizu-shi, Shizuoka 424 / JP
 [2002/12]
Representative(s)Hiebl, Inge Elisabeth, et al
Kraus & Weisert
Patentanwälte PartGmbB
Thomas-Wimmer-Ring 15
80539 München / DE
[N/P]
Former [2003/44]Hiebl, Inge Elisabeth, et al
Kraus & Weisert Patent- und Rechtsanwälte Thomas-Wimmer-Ring 15
80539 München / DE
Former [2002/12]Weisert, Annekäte, Dipl.-Ing. Dr.-Ing., et al
Patentanwälte Kraus & Weisert Thomas-Wimmer-Ring 15
80539 München / DE
Application number, filing date01122563.822.11.1996
[2002/12]
Priority number, dateJP1995033775001.12.1995         Original published format: JP 33775095
JP1996020267131.07.1996         Original published format: JP 20267196
JP1996020267601.08.1996         Original published format: JP 20267696
JP1996029924724.10.1996         Original published format: JP 29924796
[2002/12]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1188437
Date:20.03.2002
Language:EN
[2002/12]
Type: A3 Search report 
No.:EP1188437
Date:27.03.2002
[2002/13]
Search report(s)(Supplementary) European search report - dispatched on:EP13.02.2002
ClassificationIPC:A61K31/19, A61K31/22, A61P25/00
[2002/12]
CPC:
A61K31/19 (EP,US); A61K31/22 (EP,US); A61P25/00 (EP);
A61P25/28 (EP); A61P3/00 (EP); A61P9/00 (EP);
A61P9/10 (EP) (-)
Designated contracting statesDE,   FR,   GB [2002/12]
TitleGerman:Betahydroxybuttersäure oder Acetoessigsäure oder deren Salze oder Ester zur Verwendung zur Verbesserung der Gehirnfunktion[2002/12]
English:Beta-hydroxybutyric acid or acetoacetic acid or salts or esters therof for use in improving cerebral function[2002/12]
French:L'acide bêta-hydroxybutyrique ou l'acide acétoacétique ou leurs sels ou esters pour l'utilisation dans l'amélioration du fonctionnement cérébral[2002/12]
Examination procedure04.03.2002Examination requested  [2002/20]
03.06.2002Observations by third parties
11.09.2002Despatch of a communication from the examining division (Time limit: M06)
17.03.2003Reply to a communication from the examining division
04.07.2003Despatch of a communication from the examining division (Time limit: M08)
19.04.2004Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
25.06.2004Reply to a communication from the examining division
07.04.2005Application refused, date of legal effect [2010/28]
07.04.2005Date of oral proceedings
15.04.2005Minutes of oral proceedings despatched
20.04.2005Despatch of communication that the application is refused, reason: substantive examination [2010/28]
20.04.2005Despatch of communication that the application is refused, reason: substantive examination [2010/29]
19.01.2010Application refused, date of legal effect [2010/29]
Appeal following examination17.06.2005Appeal received No.  T1151/05
19.08.2005Statement of grounds filed
18.01.2010Result of appeal procedure: appeal of the applicant was rejected
18.01.2010Date of oral proceedings
22.01.2010Minutes of oral proceedings despatched
Parent application(s)   TooltipEP96118764.8  / EP0780123
Request for further processing for:25.06.2004Request for further processing filed
25.06.2004Full payment received (date of receipt of payment)
Request granted
09.07.2004Decision despatched
Fees paidRenewal fee
25.09.2001Renewal fee patent year 03
25.09.2001Renewal fee patent year 04
25.09.2001Renewal fee patent year 05
25.09.2001Renewal fee patent year 06
05.11.2002Renewal fee patent year 07
12.11.2003Renewal fee patent year 08
12.11.2004Renewal fee patent year 09
14.11.2005Renewal fee patent year 10
14.11.2006Renewal fee patent year 11
15.11.2007Renewal fee patent year 12
12.11.2008Renewal fee patent year 13
10.11.2009Renewal fee patent year 14
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[X]  - ALBERT S.Y.CHANG ET AL., "Hypoxia and beta-hydroxybutyrate acutely reduce glucose extraction by the brain in anesthetized dogs", CAN.J.PHYSIOL.PHARMACOL., (1993), vol. 71, no. 7, pages 465 - 472, XP000652713 [X] 1-6 * abstract * * page 465, column L * * page 470, column R, paragraph 4 *
 [X]  - MEDLINE, KNIGHT RIDDER, XP002188201 [X] 1-6 * abstract *
 [X]  - ROBERTSON C ET AL, "DIETARY NONPROTEIN CALORIES AND CEREBRAL INFARCTION SIZE IN RATS", STROKE, AMERICAN HEART ASSOCIATION, DALLAS TX, US, (19920401), vol. 23, no. 4, ISSN 0039-2499, pages 564 - 568, XP000652742 [X] 1-6 * abstract * * page 564, right hand column * * page 568, left hand column, paragraph 1 *
    [ ] - BENDIKOV E A ET AL, "Effect of sodium hydroxybutyrate on cerebral circulation and regional vasomotor reflexes", BIULLETEN EKSPERIMENTALNOI BIOLOGII I MEDITSINY, (197911), vol. 88, no. 11, pages 555 - 557
otherEP0355453
    - TILDON J. ET AL, "Transport of 3-Hydroxybutyrate by Cultured Rat Brain Astrocytes", NEUROCHEMICAL RESEARCH, (1994), vol. 19, no. 10, pages 1237 - 1242
    - NEHLIG A., "Respective roles of glucose and ketone bodies as substrates for cerebral energy metabolism in the suckling rat", DEVELOPMENTAL NEUROSCIENCE, (1996), vol. 18, no. 5-6, pages 426 - 433
    - LAMANNA J.C.; LUST W.D., "Nutrient consumption and metabolic perturbations", NEUROSURGERY CLINICS OF NORTH AMERICA, (1997), vol. 8, pages 145 - 163
    - BIRKHAHN R.H. ET AL, "POTENTIAL OF THE MONOGLYCERIDE AND TRIGLYCERIDE OF DL-3-HYDROXYBUTYRATE FOR PARENTERAL NUTRITION: SYNTHESIS AND PRELIMINARY BIOLOGICAL TESTING IN THE RAT", NUTRITION, (199703), vol. 13, no. 3, pages 213 - 219, XP000869660

DOI:   http://dx.doi.org/10.1016/S0899-9007(96)00404-2
    - BROOKS K.J. ET AL, "3-Hydroxybutrate aids the recovery of the energy state from aglycaemic hypoxia of adult but not neonatal rat brain slices", JOURNAL OF NEUROCHEMISTRY, (199805), vol. 70, no. 5, pages 1986 - 1990
    - ISALES C.M. ET AL, "Acetoacetate and Beta-Hydroxybutyrate Differentially Regulate Endothelin-1 and Vascular Endothelial Growth Factor in Mouse Brain Microvascular Endothelial Cells", JOURNAL OF DIABETES AND ITS COMPLICATIONS, (199903), vol. 13, no. 2, pages 91 - 97, XP002950053

DOI:   http://dx.doi.org/10.1016/S1056-8727(99)00030-6
    - NEHLIG A., "Age-dependent pathways of brain energy metabolism: the suckling rat, a natural model of the ketogenic diet", EPILEPSY RESEARCH, (199912), vol. 37, no. 3, pages 211 - 221, XP002950052

DOI:   http://dx.doi.org/10.1016/S0920-1211(99)00073-X
    - TRIFIRO G., "Beta-hydroxybutyrate in neonatal hypoglycemia", NEW TECHNOLOGIES IN REPRODUCTIVE MEDICIN, (1999), pages 125 - 330
    - TASAKI O. ET AL, "THE DIMER AND TRIMER OF 3-HYDROXYBUTYRATE OLIGOMER AS A PRECURSOR OF KETONE BODIES FOR NUTRITIONAL CARE", JOURNAL OF PARENTERAL AND ENTERAL NUTRITION, (1999), vol. 23, no. 6, pages 321 - 325, XP000869678
    - TODOROVA M.T. ET AL, "THE KETOGENIC DIET INHIBITS EPILEPTOGENESIS IN EL MICE: A GENETIC MODEL FOR IDIOPATHIC EPILEPSY", EPILEPSIA, (200008), vol. 41, no. 8, pages 933 - 940, XP001053439

DOI:   http://dx.doi.org/10.1111/j.1528-1157.2000.tb00275.x
    - DARDZINSKI B.J. ET AL, "Increased plasma beta-hydroxybutyrate, preserved cerebral energy metabolism, and amelioration of brain damage during neonatal hypoxia ischemia with dexamethasone pretreatment", PEDIATRIC RESEARCH, (200008), vol. 48, no. 2, pages 248 - 255, XP002225771
    - PAN J.W. ET AL, "Human brain beta-hydroxybutyrate and lactate increase in fasting-induced ketosis", JOURNAL OF CEREBRAL BLOOD FLOW AND METABOLISM, (200010), vol. 20, no. 10, pages 1502 - 1507
    - SUZUKI M. ET AL, "Effect of beta-hydroxybutyrate, a cerebral function improving agent, on cerebral hypoxia, anoxia and ischemia in mice and rats", JAPANESE JOURNAL OF PHARMACOLOGY, (200110), vol. 87, no. 2, doi:doi:10.1254/jjp.87.143, pages 143 - 150, XP008166028

DOI:   http://dx.doi.org/10.1254/jjp.87.143
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.