| Publication number | DE2308830 B2 |
| Publication type | Application |
| Application number | DE19732308830 |
| Publication date | Jun 26, 1975 |
| Filing date | Feb 22, 1973 |
| Priority date | Feb 22, 1973 |
| Also published as | DE2308830A1, US3957512 |
| Publication number | 19732308830, 732308830, DE 2308830 B2, DE 2308830B2, DE-B2-2308830, DE19732308830, DE2308830 B2, DE2308830B2, DE732308830 |
| Inventors | Wolfgang Dr. 8520 Erlangen Kleeberg, Roland Dr. 8551 Roettenbach Rubner, Wieland 8510 Fuerth Bartel |
| Applicant | Siemens Ag, 1000 Berlin Und 8000 Muenchen |
| Export Citation | BiBTeX, EndNote, RefMan |
| Referenced by (5), Classifications (12), Legal Events (3) | |
| External Links: DPMA, Espacenet | |
| Citing Patent | Filing date | Publication date | Applicant | Title |
|---|---|---|---|---|
| DE2849981A1 * | Nov 17, 1978 | May 23, 1979 | Asahi Chemical Ind | Waermebestaendiges photoresistmaterial und verfahren zu seiner herstellung |
| DE2950212A1 * | Dec 13, 1979 | Jun 19, 1980 | Fujitsu Ltd | Negative tiefultraviolette abdeckung und verfahren zum herstellen eines abdeckungsmusters |
| EP0025506A1 * | Aug 6, 1980 | Mar 25, 1981 | Siemens Aktiengesellschaft | Polyoxazole precursors, their preparation and their use |
| EP0041677A2 * | Jun 1, 1981 | Dec 16, 1981 | Siemens Aktiengesellschaft | Radiation reactive precursors of highly heat-resistant polymers, and their use |
| EP0041677A3 * | Jun 1, 1981 | Dec 29, 1982 | Siemens Aktiengesellschaft | Radiation reactive precursors of highly heat-resistant polymers, and their use |
| International Classification | C08G18/67, G03F7/038, C08G73/00, C08G73/10, G03F7/004, C07C255/34, C08F299/00, C08F290/00 |
| Cooperative Classification | G03F7/0387, C07C255/00 |
| European Classification | C07C255/00, G03F7/038P |
| Date | Code | Event | Description |
|---|---|---|---|
| Feb 12, 1976 | C3 | Grant after two publication steps (3rd publication) | |
| Dec 31, 1977 | E77 | Valid patent as to the heymanns-index 1977 | |
| Oct 27, 1983 | AG | Has addition no. | Ref country code: DE Ref document number: 2326314 Format of ref document f/p: P |