US2573433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyfunctional compositions
Assignee: Emery Oleochemicals LLC
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Filing: 1946-03-01
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Granted: 1951-10-30
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Expires: 1966-03-01
Abstract
No abstract record available.
Inventors
- 👤 Charles G Goebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:35
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/30; C07C57/38; C07C57/40; C07C57/34; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A NEW COMPOSITION OF MATTER WHICH HAS TWO OR MORE TERMINAL FUNCTIONAL GROUPS, SAID COMPOSITION COMPRISING: THE PRODUCT OF A FRIEDELCRAFTS SYNTHESIS WHEREIN EACH MOLE OF AN AROMATIC COMPOUND HAVING AT LEAST TWO UNCONJUGATED BENZENE RINGS IS COMBINED WITH AT LEAST TWO MOLES OF ALIPHATIC COMPOUND OF ONE OR MORE OF THE CLASSES: HALOGENATED CARBOXYLIC ACIDS, ESTER, AMIDES, NITRILES AND UNSATURATED CARBOXYLIC ACIDS, ESTERS, AMIDES AND NITRILES, THE SAID ALIPHATIC COMPOUNDS HAVING A CHAIN LENGTH OF 9-24 CARBON ATOMS.
Claim 2
Dependent Claim
79 words
A NEW COMPOSITION OF MATTER WHICH HAS TWO OR MORE TERMINAL FUNCTIONAL GROUPS, SAID COMPOSITION COMPRISING: THE PRODUCT OF A FRIEDELCRAFTS SYNTHESIS WHEREIN EACH MOLE OF AN AROMATIC COMPOUND HAVING AT LEAST TWO UNCONJUGATED BENZENE RINGS IS COMBINED WITH AT LEAST TWO MOLES OF ALIPHATIC COMPOUND OF ONE OR MORE OF THE CLASSES: HALOGENATED CARBOXYLIC ACIDS, ESTER, AMIDES, NITRILES AND UNSATURATED CARBOXYLIC ACIDS, ESTERS, AMIDES AND NITRILES, THE SAID ALIPHATIC COMPOUNDS HAVING A CHAIN LENGTH OF 9-24 CARBON ATOMS.
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) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |