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Extract from the Register of European Patents

EP About this file: EP0104640

EP0104640 - Sintered apatite bodies and composites thereof [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.04.1989
Database last updated on 13.09.2024
Most recent event   Tooltip11.04.1989No opposition filed within time limitpublished on 31.05.1989 [1989/22]
Applicant(s)For all designated states
INAX CORPORATION
6 Koiehonmachi 3-chome Tokoname-Shi
Aichi / JP
[N/P]
Former [1988/03]For all designated states
INAX CORPORATION
6 Koiehonmachi 3-chome
Tokoname-Shi Aichi / JP
Former [1984/14]For all designated states
INA SEITO CO., LTD
3-6 Koiehon-Machi
Tokoname Aichi / JP
Inventor(s)01 / Hatahira, Seiichi
No. 207-12, 4-chome Hiiragicho
Handa-shi Aichi / JP
[1984/14]
Representative(s)Deufel, Paul, et al
Müller-Boré & Partner Patentanwälte Grafinger Strasse 2
D-81671 München / DE
[N/P]
Former [1984/14]Deufel, Paul, Dr., et al
Müller-Boré & Partner Patentanwälte Grafinger Strasse 2
D-81671 München / DE
Application number, filing date83109582.326.09.1983
[1984/14]
Priority number, dateJP1982016701325.09.1982         Original published format: JP 16701382
JP1982019134730.10.1982         Original published format: JP 19134782
US1983048952028.04.1983         Original published format: US 489520
[1984/14]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0104640
Date:04.04.1984
Language:EN
[1984/14]
Type: A3 Search report 
No.:EP0104640
Date:02.05.1985
Language:EN
[1985/18]
Type: B1 Patent specification 
No.:EP0104640
Date:13.01.1988
Language:EN
[1988/02]
Search report(s)(Supplementary) European search report - dispatched on:EP28.02.1985
ClassificationIPC:C04B35/64, C04B35/00, C04B35/80, // A61F2/02
[1988/02]
CPC:
C04B35/447 (EP,US); C04B35/80 (EP,KR,US); A61F2/28 (EP,US);
A61L27/12 (EP,US); A61L27/425 (EP,US); C04B35/64 (KR);
C08K7/04 (EP,US); A61F2310/00293 (EP,US); Y10S428/902 (EP,US) (-)
Former IPC [1984/14]C04B35/64, C04B35/00, C04B35/80, // A61F1/00
Designated contracting statesAT,   BE,   CH,   DE,   FR,   IT,   LI,   LU,   NL,   SE [1984/14]
TitleGerman:Gesinterter Apatitkörper und Verbundmaterialien davon[1984/14]
English:Sintered apatite bodies and composites thereof[1984/14]
French:Corps frittés en apatite et leurs composites[1984/14]
Examination procedure04.11.1985Examination requested  [1986/05]
29.10.1986Despatch of a communication from the examining division (Time limit: M04)
26.02.1987Reply to a communication from the examining division
22.05.1987Despatch of communication of intention to grant (Approval: )
16.07.1987Communication of intention to grant the patent
19.10.1987Fee for grant paid
19.10.1987Fee for publishing/printing paid
Opposition(s)14.10.1988No opposition filed within time limit [1989/22]
Fees paidRenewal fee
12.08.1985Renewal fee patent year 03
26.09.1986Renewal fee patent year 04
23.09.1987Renewal fee patent year 05
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Documents cited:Search[X]JP55130854  ;
 [A]GB1487181  (COLGATE PALMOLIVE CO);
 [A]US4149894  (EBIHARA MASATOMI, et al);
 [X]GB1550330  (ASAHI OPTICAL CO LTD);
 [A]EP0026090  (KUREHA CHEMICAL IND CO LTD [JP])
 [X]  - CHEMICAL ABSTRACTS, vol. 94, no. 22, June 1981, page 296, no. 179537w, Columbus, Ohio, US; & JP-A-55 130 854 (MITSUBISHI MINING AND CEMENT CO., LTD.) 11-10-1980, & JP55130854 A 00000000
 [A]  - JOURNAL OF CRYSTAL GROWTH, vol. 46, 1979, pages 213-220, North-Holland Publishing Co., Amsterdam, NL; J. ARENDS et al.: "Preparation of pure hydroxyapatite single crystals by hydrothermal recrystallization"
 [XP]  - CHEMICAL ABSTRACTS, vol. 98, no. 4, January 1983, page 259, no. 21088y, Columbus, Ohio, US; K. HIROTA et al.: "Densification of hydroxylapatite by hot isostatic pressing" & YOGYO KYOKAISHI 1982, 90(11), 680-2
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.