US3219658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyalkyl sugar phosphites
Assignee: GE Chemicals Inc
•
Filing: 1962-09-07
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Granted: 1965-11-23
•
Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Friedman Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:23
CPC Classifications
C; C07; C07H; C07H11/00; C07H11/04; C07H15/00; C07H15/02; C07H15/04; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; C08G18/3882; C08G18/40; C08G18/48; C08G18/487; C08G18/4883; C08G18/50; C08G18/5075; C08G18/5078; C08G18/5081; C08G79/00; C08G79/02; C08G79/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHOSPHITES AND PHOSPHONATES OF HYDROXY LOWER ALKYL SUGAR, HYDROXY LOWER ALKOXY LOWER ALKYL SUGAR,F HYDROXYPOLY LOWER ALKOXY LOWER ALKYL SUGAR, HYDROXY LOWER ALKYL GLYCOSIDE, HYDROXY LOWER ALKOXY LOWER ALKYL GLYCOSIDE, HYDROXYPOLY LOWER ALKOXY LOWER ALKYL GLYCOSIDE AND HYDROXYPHENETHYL SUGAR.
Claim 2
Dependent Claim
47 words
PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHOSPHITES AND PHOSPHONATES OF HYDROXY LOWER ALKYL SUGAR, HYDROXY LOWER ALKOXY LOWER ALKYL SUGAR,F HYDROXYPOLY LOWER ALKOXY LOWER ALKYL SUGAR, HYDROXY LOWER ALKYL GLYCOSIDE, HYDROXY LOWER ALKOXY LOWER ALKYL GLYCOSIDE, HYDROXYPOLY LOWER ALKOXY LOWER ALKYL GLYCOSIDE AND HYDROXYPHENETHYL SUGAR.
References Cited (Backward Citations)
US2256380A
Cited
US3021324A
Cited
US3076770A
Cited
US3072614A
Cited
US3098065A
Cited
US3153036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |