JPS50103496A
Untitled record
Abstract
This record has no abstract on file.
Term
Term ended
Projected expiry passed 21 January 1994, 32.7 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| JPS5310393A | Cited by | Japan | Search report |
| US4338291A | Cited by | United States of America | Search report |
Numbers
- Application
- 854574
Classification
- IPC, 3
- C01B3 06
- C01B3 08
- C01B13 02