Patent US3202714A successfully refreshed from Google Patents.
US3202714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxy containing tertiary amine oxides
Assignee: Procter and Gamble Co
•
Filing: 1961-12-04
•
Granted: 1965-08-24
•
Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Roger E Zimmerer
- 👤 Howard F Drew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:13
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/66; C11D1/75; C07; C07C; C07C291/00; C07C291/02; C07C291/04; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/26; C11D3/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
TERTIARY AMINE OXIDE COMPOUNDS HAVING THE FORMULA R1R2R3N-->O, WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXYALKYL, 3-HYDROXYALKYL AND 3-ALKOXY-2HYDROXYPROPYL RADICALS IN WHICH THE ALKYL AND ALKOXY, RESPECTIVELY, RANGE IN CHAIN LENGTH FROM 10 TO 18 CARBON ATOMS, R2 AND R3 ARE EACH SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXYETHYL, 2-HYDROXYPROPYL AND 3-HYDROXYPROPYL RADICALS.
Claim 2
Dependent Claim
55 words
TERTIARY AMINE OXIDE COMPOUNDS HAVING THE FORMULA R1R2R3N-->O, WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXYALKYL, 3-HYDROXYALKYL AND 3-ALKOXY-2HYDROXYPROPYL RADICALS IN WHICH THE ALKYL AND ALKOXY, RESPECTIVELY, RANGE IN CHAIN LENGTH FROM 10 TO 18 CARBON ATOMS, R2 AND R3 ARE EACH SELECTED FROM THE GROUP CONSISTING OF 2-HYDROXYETHYL, 2-HYDROXYPROPYL AND 3-HYDROXYPROPYL RADICALS.
References Cited (Backward Citations)
US1993542A
Cited
US2169976A
Cited
US2060568A
Cited
US2214352A
Cited
US2185163A
Cited
FR1184515A
Cited
US3047579A
Cited
US2999068A
Cited
US3001945A
Cited
US3098794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |