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US3331871A
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Method of preparing acrolein and acrylic acid
Assignee: Goodrich Corp
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Filing: 1964-01-27
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Granted: 1967-07-18
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Expires: 1984-01-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Ziegler
- 👤 Jamal S Eden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:38
CPC Classifications
H; H05; H05K; H05K9/00; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/889; B01J23/8896; B01J27/00; B01J27/14; B01J27/186; B01J27/188; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD OF PREPARING A MIXTURE OF ACROLEIN AND ACRYLIC ACID, COMPRISING PASSING A MIXTURE OF PROPYLENE AND AN OXYGEN CONTAINING GAS IN A MOLAR RATION OF FROM ABOUT 1.5 TO ABOUT 3 MOLS OF OXYGEN PER MOL OF PROPYLENE AND UP TO 6 MOLS OF WATER VAPER PER MOL OF PROPYLENE THROUGH A CATALYST BED AT A TEMPERATURE OF FROM ABOUT 300 TO ABOUT 450* C. WITH A CONTACT TIME OF FROM ABOUT 5 TO ABOUT 40 SECONDS, THE SAID CATALYST CONSISTING ESSENTIALLY OF IN A MOLAR RATIO 800 MO, 160-800 NI, 25-375 TEO2 AND 1-6 RE CALCULATED AS OXIDES.
Claim 2
Independent Claim
101 words
A METHOD OF PREPARING A MIXTURE OF ACROLEIN AND ACRYLIC ACID, COMPRISING PASSING A MIXTURE OF PROPYLENE AND AN OXYGEN CONTAINING GAS IN A MOLAR RATION OF FROM ABOUT 1.5 TO ABOUT 3 MOLS OF OXYGEN PER MOL OF PROPYLENE AND UP TO 6 MOLS OF WATER VAPER PER MOL OF PROPYLENE THROUGH A CATALYST BED AT A TEMPERATURE OF FROM ABOUT 300 TO ABOUT 450* C. WITH A CONTACT TIME OF FROM ABOUT 5 TO ABOUT 40 SECONDS, THE SAID CATALYST CONSISTING ESSENTIALLY OF IN A MOLAR RATIO 800 MO, 160-800 NI, 25-375 TEO2 AND 1-6 RE CALCULATED AS OXIDES.
References Cited (Backward Citations)
US2662921A
Cited
US3192259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |