US2940816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric softener containing urea inclusion compound of hydrogenated tallow quaternary ammonium salt
Assignee: Unilever Bestfoods North America
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Filing: 1957-11-25
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Granted: 1960-06-14
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Mitchell S Sniegowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
AS A NEW COMPOSITION OF MATTER A DRY, FREE-FLOWING FABRIC SOFTNER IN POWDERED FORM, DISPERSIBLE IN COLD WATER, COMPRISING A UREA INCLUSION COMPOUND OF A SOFTENING AGENT HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
AS A NEW COMPOSITION OF MATTER A DRY, FREE-FLOWING FABRIC SOFTNER IN POWDERED FORM, DISPERSIBLE IN COLD WATER, COMPRISING A UREA INCLUSION COMPOUND OF A SOFTENING AGENT HAVING THE 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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |