US2552872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acylation with conjugated diene
Assignee: —
•
Filing: —
•
Granted: 1951-05-15
•
Expires: 1968-05-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:53
CPC Classifications
C; C10; C10M; C10M101/00; C10M101/04; C07; C07C; C07C57/00; C07C57/02; C07C57/03; C07C67/00; C07C67/08; C07C67/30; C07C67/333; C07C69/00; C07C69/52; C07C69/533; C07C69/587; C07C69/66; C07C69/73; C07C69/732; C09; C09F; C09F7/00; C09F7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
ESTERIFICATION PRODUCT OF A DIENE MONOCARBOXYLIC ACID HAVING CONJUGATED DOUBLE BONDS WITH ONE OF THESE BONDS IN CONJUGATION WITH THE CARBOXYL GROUP AND OF A HYDROXYLATED MEMBER SELECTED FROM THE GROUP CONSISTING OF FATTY OILS CONTAINING HYDROXY FATTY ACID RADICALS AND THE HYDROXY FATTY ACIDS OF SUCH FATTY OILS, THE ACID HYDROXY GROUPS OF SAID MEMBER BEING ESTERIFIED BY SAID DIENE ACID.
Claim 2
Dependent Claim
62 words
ESTERIFICATION PRODUCT OF A DIENE MONOCARBOXYLIC ACID HAVING CONJUGATED DOUBLE BONDS WITH ONE OF THESE BONDS IN CONJUGATION WITH THE CARBOXYL GROUP AND OF A HYDROXYLATED MEMBER SELECTED FROM THE GROUP CONSISTING OF FATTY OILS CONTAINING HYDROXY FATTY ACID RADICALS AND THE HYDROXY FATTY ACIDS OF SUCH FATTY OILS, THE ACID HYDROXY GROUPS OF SAID MEMBER BEING ESTERIFIED BY SAID DIENE ACID.
References Cited (Backward Citations)
US2349546A
Cited
US2381885A
Cited
US2420694A
Cited
US1744596A
Cited
US2141546A
Cited
US2310395A
Cited
US2381888A
Cited
GB569113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |