US3359348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric dipropylene glycol hydrogen phosphites
Assignee: GE Chemicals Inc
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Filing: 1965-06-28
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Granted: 1967-12-19
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Friedman Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:46
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C08G79/04; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/093; C07F9/141; C07F9/16; C07F9/165; C07F9/1651; C07F9/28; C07F9/38; C07F9/40; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657163; C07F9/657181; C07F9/6574; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5075; C08G18/5081; C08G18/5087; C08G18/5093; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
POLYMERIC DIPROPYLENE GLYCOL HYDROGEN PHOSPHITE HAVING 3 TO 4 DIPROPYLENE GLYCOL UNITS.
Claim 2
Dependent Claim
12 words
POLYMERIC DIPROPYLENE GLYCOL HYDROGEN PHOSPHITE HAVING 3 TO 4 DIPROPYLENE GLYCOL UNITS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |