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Extract from the Register of European Patents

EP About this file: EP0438292

EP0438292 - Method of preparing primers for polymerase chain reaction and DNA amplification using said primers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.08.1997
Database last updated on 02.11.2024
Most recent event   Tooltip22.08.1997No opposition filed within time limitpublished on 08.10.1997 [1997/41]
Applicant(s)For all designated states
NIHON CHEMICAL RESEARCH KABUSHIKI KAISHA also known as JCR PHARMACEUTICALS CO., LTD
4-20, Mikagehommachi 3-chome Higashinada-ku Kobe
Hyogo 658 / JP
[N/P]
Former [1993/45]For all designated states
NIHON CHEMICAL RESEARCH KABUSHIKI KAISHA also known as JCR PHARMACEUTICALS CO., LTD
4-20, Mikagehommachi 3-chome Higashinada-ku
Kobe Hyogo 658 / JP
Former [1992/14]For all designated states
NIHON CHEMICAL RESEARCH KABUSHIKI KAISHA also known as JAPAN CHEMICAL RESEARCH CO., LTD
4-20, Mikagehommachi 3-chome Higashinada-ku
Kobe Hyogo 658 / JP
Former [1991/30]For all designated states
NIHON CHEMICAL RESEARCH KABUSHIKI KAISHA also known as JCR PHARMACEUTICALS CO., LTD.
4-20, Mikagehommachi 3-chome Higashinada-ku
Kobe Hyogo 658 / JP
Inventor(s)01 / Tanaka, Kunisuke
128, Miyazaki-cho, Shimogamo
Sakyo-ku, Kyoto 606 / JP
02 / Masumura, Takehiro
301 Parumezon-Imadera, 4-1, Imadera
Nishi-ku, Kobe, Hyogo 673 / JP
03 / Koga, Junichi
30-5, Karibadai 1-chome, Nishi-ku
Kobe, Hyogo 673 / JP
04 / Hirantani, Hajime
705-3, Tottori, Hannan-cho
Sennan-gun, Osaka 599-02 / JP
[1991/30]
Representative(s)Smart, Peter John, et al
Beck Greener
Fulwood House
12 Fulwood Place
London
WC1V 6HR / GB
[N/P]
Former [1991/30]Smart, Peter John, et al
W.H. BECK, GREENER & CO 7 Stone Buildings Lincoln's Inn
London WC2A 3SZ / GB
Application number, filing date91300326.517.01.1991
[1991/30]
Priority number, dateJP1990000930217.01.1990         Original published format: JP 930290
[1991/30]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0438292
Date:24.07.1991
Language:EN
[1991/30]
Type: A3 Search report 
No.:EP0438292
Date:18.09.1991
Language:EN
[1991/38]
Type: B1 Patent specification 
No.:EP0438292
Date:16.10.1996
Language:EN
[1996/42]
Search report(s)(Supplementary) European search report - dispatched on:EP01.08.1991
ClassificationIPC:C12P19/34, C12Q1/68, // C12N15/10
[1991/30]
CPC:
C12N15/10 (EP)
Designated contracting statesCH,   DE,   ES,   FR,   GB,   IT,   LI [1991/30]
TitleGerman:Verfahren zur Vorbereitung von Primern für die Polymerase-Kettenreaktion und DNS-Verstärkung durch Verwendung dieser Primer[1991/30]
English:Method of preparing primers for polymerase chain reaction and DNA amplification using said primers[1991/30]
French:Procédé pour la préparation d'amorces pour la réaction en chaîne de polymérase à l'aide de ces amorces[1991/30]
Examination procedure10.02.1992Examination requested  [1992/15]
10.06.1994Despatch of a communication from the examining division (Time limit: M06)
14.12.1994Reply to a communication from the examining division
04.07.1995Despatch of a communication from the examining division (Time limit: M04)
04.11.1995Reply to a communication from the examining division
21.12.1995Despatch of communication of intention to grant (Approval: Yes)
18.04.1996Communication of intention to grant the patent
15.07.1996Fee for grant paid
15.07.1996Fee for publishing/printing paid
Opposition(s)17.07.1997No opposition filed within time limit [1997/41]
Fees paidRenewal fee
23.01.1993Renewal fee patent year 03
24.12.1993Renewal fee patent year 04
27.01.1995Renewal fee patent year 05
27.12.1995Renewal fee patent year 06
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Documents cited:Search[Y]EP0200362
 [Y]  - J. SAMBROOK et al.: "Molecular cloning, a laboratory manual", edition 2, 1989, vol. 1, chapter 5, Cold Spring Harbor Laboratory Press, New York, US
 [A]  - NUCLEIC ACIDS RESEARCH, vol. 17, no. 14, 1989, page 5865, IRL Press; R.G. HIGUCHI et al.: "Production of single-stranded DNA templates by exonuclease digestion following the polymerase chain reaction"
 [XP]  - GENE, vol. 97, 1991, pages 1-6, Elsevier Science Publishers B.V. (Biomedical Division); V. SHYAMALA et al.: "Use of exonuclease for rapid polymerase-chain-reaction-based in vitro mutagenesis"
Examination   - HIGUCHI et al.: "Production of single-stranded DNA templates by exonuclease digestion following the polymerase chain reaction"
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.