US2540678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fatty acid alkylolamine condensation and products
Assignee: Nopco Chemical Co
•
Filing: 1946-12-06
•
Granted: 1951-02-06
•
Expires: 1966-12-06
Abstract
No abstract record available.
Inventors
- 👤 Kelley Maurice Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:11
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405; C; C11; C11C; C11C3/00; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D01F2/10; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS WHICH COMPRISES INITIALLY CONDENSING AT LEAST TWO MOLECULES OF AN ALKYLOLAMINE WITH EACH MONOBASIC ACYL RADICAL CONAINING FROM 6 TO 36 CARBON ATOMS IN ONE MOLECULE OF AN ACYLATING COMPOUND COMPRISING AT LEAST ONE OF SAID RADICALS, AND SUBSEQUENTLY CONDENSING ONE MOLECULE OF THE PRODUCT OF THE INITIAL CONDENSATION WITH AT LEAST ONE MONOBASIC ACYL GROUP HAVING AT LEAST TWO CARBON ATOMS IN A MOLECULE OF AN ACYLATING COMPOUND COMPRISING AT LEAST ONE OF SAID GROUPS.
Claim 2
Dependent Claim
78 words
A PROCESS WHICH COMPRISES INITIALLY CONDENSING AT LEAST TWO MOLECULES OF AN ALKYLOLAMINE WITH EACH MONOBASIC ACYL RADICAL CONAINING FROM 6 TO 36 CARBON ATOMS IN ONE MOLECULE OF AN ACYLATING COMPOUND COMPRISING AT LEAST ONE OF SAID RADICALS, AND SUBSEQUENTLY CONDENSING ONE MOLECULE OF THE PRODUCT OF THE INITIAL CONDENSATION WITH AT LEAST ONE MONOBASIC ACYL GROUP HAVING AT LEAST TWO CARBON ATOMS IN A MOLECULE OF AN ACYLATING COMPOUND COMPRISING AT LEAST ONE OF SAID GROUPS.
References Cited (Backward Citations)
US2089212A
Cited
US2268395A
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US2345570A
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US2425393A
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US2388281A
Cited
US2334852A
Cited
US2290881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |