US3332965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for oxidizing propylene
Assignee: Osaka Soda Co Ltd
•
Filing: 1963-04-24
•
Granted: 1967-07-25
•
Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Fukui Kenichi
- 👤 Kagiya Tsutomu
- 👤 Shimidzu Takeo
- 👤 Kataoka Hirohisa
- 👤 Aimi Masasuke
- 👤 Miyamae Masao
- 👤 Nakata Tetsuya
- 👤 Takayama Shiniti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:07
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/122; B01J31/0231; B01J31/0272; B01J31/0274; B01J31/0275; B01J31/123; B01J31/124; B01J31/126; C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/08; B01J2231/00; B01J2231/70; B01J2231/72; B01J37/00; B01J37/02; B01J37/0201; B01J37/0209; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PROCESS FOR PRODUCING PROPYLENE OXIDE WHICH COMPRISES DIRECTLY OXIDIZING PROPYLENE AT A TEMPERATURE OF FROM 200* TO 800*C. BY CONTACTING A MIXED GAS COMPRISING AT LEAST PROPYLENE AND OXYGEN IN THE PRESENCE OF A CATALYST OF THE FORMULA
Claim 2
Dependent Claim
39 words
A PROCESS FOR PRODUCING PROPYLENE OXIDE WHICH COMPRISES DIRECTLY OXIDIZING PROPYLENE AT A TEMPERATURE OF FROM 200* TO 800*C. BY CONTACTING A MIXED GAS COMPRISING AT LEAST PROPYLENE AND OXYGEN IN THE PRESENCE OF A CATALYST OF THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |