US3678110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon containing diallylamines
Assignee: Calgon Corp
•
Filing: 1969-11-20
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Granted: 1972-07-18
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Expires: 1989-11-20
Abstract
Abstract Diallyl quaternary ammonium compounds containing a terminal perfluoroisopropoxide group are disclosed. These compounds are useful in monomeric form and especially in polymeric form as oil and water repellents.
Inventors
- 👤 Jerry E Boothe
- 👤 Merwin F Hoover
- 👤 Dallas L Schiegg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:59
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/408; C; C07; C07C; C07C29/00; C07C29/68; C07C31/00; C07C31/34; C07C31/40; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/12; C07C43/123; C08; C08F; C08F26/00; C08F26/02; C08F26/04; C08F36/00; C08F36/02; C08F36/20; D06M13/10; D06M13/12; D06M13/325; D06M13/328; D06M13/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
Compound of claim 1 where R1 is R is CH3 and X is Cl .
Claim 2
Dependent Claim
27 words
Compound of claim 1 where R1 is - CH2 -n where n is an integer from 1 to 5; R is CH3 and ''''X'''' is Cl .
References Cited (Backward Citations)
US3288770A
Cited
US3461163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |