US3356526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing water-dispersible softener compositions and products produced thereby
Assignee: Armour and Co
•
Filing: 1964-05-13
•
Granted: 1967-12-05
•
Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Milton M Waldman
- 👤 Andrea E Mariahazy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:00
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/12; C11; C11D; C11D1/00; C11D1/38; C11D1/62; C11D17/00; C11D17/0039; C11D3/00; C11D3/0005; C11D3/001; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M13/46; D06M23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE METHOD OF PREPARING A QUATERNARY SOFTNER IN THE FORM OF A DRY, FREE-FLOWING POWDER WHICH IS READILY DISPERSIBLE IN WATER, COMPRISING: (A) PREPARING A SOLUTION OF A QUATERNARY SOFTNER IN A VILATIVE ORGANIC SOLVENT FOR THE SOFTNER, SAID QUATENARY SOFTNER HAVING A MELTING POINT OF AT LEAST ABOUT 90* F. AND BEING REPRESPETED BY THE FORMULA:
Claim 2
Independent Claim
57 words
THE METHOD OF PREPARING A QUATERNARY SOFTNER IN THE FORM OF A DRY, FREE-FLOWING POWDER WHICH IS READILY DISPERSIBLE IN WATER, COMPRISING: (A) PREPARING A SOLUTION OF A QUATERNARY SOFTNER IN A VILATIVE ORGANIC SOLVENT FOR THE SOFTNER, SAID QUATENARY SOFTNER HAVING A MELTING POINT OF AT LEAST ABOUT 90* F. AND BEING REPRESPETED BY THE FORMULA:
References Cited (Backward Citations)
US3044962A
Cited
US3256180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |