Patent US5028492A successfully refreshed from Google Patents.
Patent US3098072A successfully refreshed from Google Patents.
US3098072A
Expired / Lapsed
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Improved process for phosphorylating amino-alcohols
Assignee: BASF Corp
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Filing: 1958-04-30
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Granted: 1963-07-16
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Expires: 1978-04-30
Abstract
No abstract record available.
Inventors
- 👤 Cherbuliez Emile
- 👤 Rabinowitz Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:51
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A PROCESS OF TREATING AN AMINO-ALCOHOL WITH A PHOSPHORYLATING AGENT THE IMPROVEMENT WHICH CONSISTS IN USING AS THE PHOSPHORYLATING AGENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF PYROPHOSPHORIC ACID AND POLYPHOSPHERIC ACID IN AN AMOUNT AT LEAST ABOUT 0.5 MOL BUT LESS THAN THE STOICHIOMETER AMOUNT NECESSARY TO FORM THE PHOSPHERIC ACID MONOESTER, AT A TEMPERATURE BETWEEEN 150* AND 250* C. AND UNDER A REDUCED PRESSURE OF 3-30MM. OF MERCURY.
Claim 2
Dependent Claim
72 words
IN A PROCESS OF TREATING AN AMINO-ALCOHOL WITH A PHOSPHORYLATING AGENT THE IMPROVEMENT WHICH CONSISTS IN USING AS THE PHOSPHORYLATING AGENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF PYROPHOSPHORIC ACID AND POLYPHOSPHERIC ACID IN AN AMOUNT AT LEAST ABOUT 0.5 MOL BUT LESS THAN THE STOICHIOMETER AMOUNT NECESSARY TO FORM THE PHOSPHERIC ACID MONOESTER, AT A TEMPERATURE BETWEEEN 150* AND 250* C. AND UNDER A REDUCED PRESSURE OF 3-30MM. OF MERCURY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |