Patent US2653932A successfully refreshed from Google Patents.
US2653932A
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Amide-glycamine condensation products
Assignee: Commercial Solvents Corp
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Filing: 1949-10-20
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Granted: 1953-09-29
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Expires: 1969-10-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
THE ADDITION PRODUCT OF ONE MOLECULAR EQUIVALENT OF AN AMIDE OF A HIGHER FATTY ACID HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
19 words
THE ADDITION PRODUCT OF ONE MOLECULAR EQUIVALENT OF AN AMIDE OF A HIGHER FATTY ACID HAVING THE STRUCTURAL FORMULA:
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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |