ATE38568T1
Process for obtaining negative copies using a 1,2-quinone diazide material.
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 3 July 2004, 22.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
16 members in 10 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 3325023 | Germany | A |
Members16
| Document | Office | Kind | |
|---|---|---|---|
| EP0131238A1 | European Patent Office (EPO) | A1 | |
| AU3050284A | Australia | A | |
| DE3325023A1 | Germany | A1 | |
| ZA845111B | South Africa | B | |
| JPS6039641A | Japan | A | |
| BR8403441A | Brazil | A | |
| ES534178A0 | Spain | A0 | |
| ES8600526A1 | Spain | A1 | |
| US4576901A | United States of America | A | |
| AU567353B2 | Australia | B2 | |
| CA1242920A | Canada | A | |
| EP0131238B1 | European Patent Office (EPO) | B1 | |
| AT38568T | Austria | T | |
| ATE38568T1This record | Austria | T1 | |
| DE3475117D1 | Germany | D1 | |
| JPH0455501B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN |
Numbers
- Application
- 84107698
Titles2
- German
- VERFAHREN ZUR HERSTELLUNG NEGATIVER KOPIEN MITTELS EINES MATERIALS AUF BASIS VON 1,2CHINONDIAZIDEN.
- English
- METHOD FOR PRODUCING NEGATIVE COPIES USING A MATERIAL BASED ON 1,2-QUINONEDIAZIDES.
Classification
- CPC, 2
- G03F7/022
- G03F7/2022
- IPC, 9
- G03F7 038
- G03C1 52
- G03C5 00
- G03F7 004
- G03F7 022
- G03F7 20
- G03F7 26
- G03F7 38
- H01L21 027