US3692880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphated polyols and process for making same
Assignee: Olin Corp
•
Filing: 1970-05-04
•
Granted: 1972-09-19
•
Expires: 1990-05-04
Abstract
Abstract A novel phosphated polyol is provided which is used in conjunction with aminoplast resins to provide improved soil release particles to cellulosic fibers and blends of cellulosic fibers with polyester fibers having durable press or wash and wear characteristics.
Inventors
- 👤 Richard L Doerr
- 👤 Stephen Fuzesi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/43; D06M15/433; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; Y; Y10; Y10S; Y10S8/00; Y10S8/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
8 words
The product of the process of claim 1.
Claim 2
Dependent Claim
13 words
Method as claimed in claim 1 in which said oxide is propylene oxide.
Claim 3
Dependent Claim
28 words
Method as claimed in claim 1 in which said oxide is a mixture of propylene oxide and ethylene oxide in a weight ratio of at least about 50/50.
References Cited (Backward Citations)
US3275667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |