Patent GB787151A successfully refreshed from Google Patents.
US3592829A
Expired / Lapsed
US
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Process for the preparation of a new lysolecithin mixture
Assignee: A Natterman und Cie GmbH
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Filing: 1969-04-07
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Granted: 1971-07-13
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Expires: 1989-04-07
Abstract
Abstract LYSOLECITHINS ARE OBTAINED BY A MILD ALCOHOLYSIS IN WHICH THE PERCENTAGE OF THE UNSATURATED FATTY ACIDS CORRESPONDS AT LEAST TO THE STARTING MATERIAL.
Inventors
- 👤 Hans Betzing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:29
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/10; C07F9/103; A; A61; A61P; A61P9/00
Claims Analysis
Total Claims: 0
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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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |