Patent US3755452A successfully refreshed from Google Patents.
US3755452A
Expired / Lapsed
US
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Mixing gases and liquids with a liquid medium
Assignee: BASF SE
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Filing: 1967-04-03
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Granted: 1973-08-28
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Expires: 1987-04-03
Abstract
Abstract A PROCESS FOR MIXING GASES AND LIQUIDS WITH A LIQUID MEDIUM IN WHICH THE GAS AND THE LIQUID ARE INJECTED INTO AN IMPULSE EXCHANGE CHAMBER WHICH IS LOCATED IN THE LIQUID MEDIUM, AND APPARATUS FOR CARRYING OUT THE MIXING.
Inventors
- 👤 P Hornberger
- 👤 O Nagel
- 👤 H Scheuring
- 👤 R Sinn
- 👤 G Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:41
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; B; B01; B01F; B01F23/00; B01F23/40; B01F23/45; B01F23/454; B01F25/00; B01F25/20; B01F25/21; B01F25/211; B01F33/00; B01F33/80; B01F33/81; B01J; B01J19/00; B01J19/24; B01J19/2455; B01J19/246; B01J19/2465; B01J19/26; C07C45/00; C07C45/27; C07C45/32; C07C45/33; B01F23/20; B01F23/23; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |