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EP0306973
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EP About this file: EP0306973
| EP0306973 - Manufacturing method for superconducting ceramics and products thereof [Right-click to bookmark this link] | Status | The application has been refused Status updated on 02.11.1994 Database last updated on 05.07.2024 | Most recent event Tooltip | 02.11.1994 | Refusal of application | published on 21.12.1994 [1994/51] | Applicant(s) | For all designated states W.R. GRACE & CO.-CONN. Grace Plaza, 1114 Avenue of the Americas New York, NY 10036 / US | [N/P] |
| Former [1993/17] | For all designated states W.R. Grace & Co.-Conn. Grace Plaza, 1114 Avenue of the Americas New York, New York 10036 / US | ||
| Former [1989/11] | For all designated states W.R. Grace & Co.-Conn. (a Connecticut corp.) Grace Plaza 1114 Avenue of the Americas New York New York 10036 / US | Inventor(s) | 01 /
Spencer, Nicholas David 5311 42nd St., N.W. Washington Columbia 20015 / US | 02 /
Pan, Wie Hin 5431 The Bridle Path Columbia Maryland 21044 / US | 03 /
Rudesill, John Allen 10824 Hilltop Lane Columbia Maryland 21044 / US | [1989/11] | Representative(s) | Abitz, Walter, et al Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [1989/11] | Abitz, Walter, Dr.-Ing., et al Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | Application number, filing date | 88114783.9 | 09.09.1988 | [1989/11] | Priority number, date | US19870095083 | 11.09.1987 Original published format: US 95083 | US19880155340 | 12.02.1988 Original published format: US 155340 | US19880219677 | 15.07.1988 Original published format: US 219677 | [1989/11] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0306973 | Date: | 15.03.1989 | Language: | EN | [1989/11] | Type: | A3 Search report | No.: | EP0306973 | Date: | 16.08.1990 | Language: | EN | [1990/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.06.1990 | Classification | IPC: | C04B35/00, C04B35/64, C01G1/00, H01L39/00 | [1989/11] | CPC: |
C04B35/4504 (EP);
C01G3/006 (EP);
C01G5/006 (EP);
C01G7/006 (EP);
C04B35/4508 (EP);
H10N60/0352 (EP);
H10N60/0801 (EP);
H10N60/857 (EP);
C01P2002/34 (EP);
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/11] | Title | German: | Verfahren zur Darstellung supraleitender Keramik und Produkte daraus | [1989/11] | English: | Manufacturing method for superconducting ceramics and products thereof | [1989/11] | French: | Procédé de fabrication de céramiques supraconductrices et produits correspondants | [1989/11] | File destroyed: | 15.01.2000 | Examination procedure | 15.11.1990 | Examination requested [1991/03] | 30.10.1991 | Despatch of a communication from the examining division (Time limit: M04) | 05.02.1992 | Reply to a communication from the examining division | 02.07.1992 | Despatch of a communication from the examining division (Time limit: M04) | 02.11.1992 | Reply to a communication from the examining division | 07.12.1992 | Despatch of a communication from the examining division (Time limit: M02) | 28.01.1993 | Reply to a communication from the examining division | 21.07.1993 | Despatch of a communication from the examining division (Time limit: M02) | 27.08.1993 | Reply to a communication from the examining division | 18.01.1994 | Despatch of communication of intention to grant (Approval: ) | 19.07.1994 | Despatch of communication that the application is refused, reason: formalities examination [1994/51] | 29.07.1994 | Application refused, date of legal effect [1994/51] | Fees paid | Renewal fee | 21.09.1990 | Renewal fee patent year 03 | 09.09.1991 | Renewal fee patent year 04 | 15.09.1992 | Renewal fee patent year 05 | 16.09.1993 | Renewal fee patent year 06 |
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| 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 | [YP]EP0275343 (IBM [US]) | [X] - JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 26, no. 7, part II, July 1987, pages L1159-L1160, Tokyo, JP; M. FUJIKI et al.: "Preparation of a high-Tc Y-Ba-Cu-O superconductor using colloidal methods" | [A] - INORG. CHEM., vol. 26, 1987, pages 1474-1476, American Chemical Society; H.H. WANG et al.: "Comparison of carbonate, citrate, and oxalate chemical routes to the hight-Tc metal oxide superconductors La2-xSrxCuO4" |