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US2943099A
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Nu-acylaminocarboxylic acid-ethylene oxide addition products
Assignee: Henkel AG and Co KGaA
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Filing: 1957-10-04
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Granted: 1960-06-28
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Dohr Manfred
- 👤 Krause Horst-Jurgen
- 👤 Wulff Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:49
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/006; C11; C11D; C11D1/00; C11D1/38; C11D1/52; C11D1/528; C11D1/66; C11D1/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE ADDITION PRODUCT OF 1 TO 20 MOLS OF ETHYLENE OXIDE WITH A SALT OF AN N-ACYLAMINOCARBOXYLIC ACID, HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
22 words
THE ADDITION PRODUCT OF 1 TO 20 MOLS OF ETHYLENE OXIDE WITH A SALT OF AN N-ACYLAMINOCARBOXYLIC ACID, HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2131142A
Cited
CH308747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |