US3523099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary phosphites as stabilizers for metal-contaminated materials
Assignee: Hooker Chemical Corp
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Filing: 1967-10-04
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Granted: 1970-08-04
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Alvin F Shepard
- 👤 Bobby F Dannels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/526; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/145; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/322; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10M; C10M3/00; C10L1/2641; C10L1/2658; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126343A
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US2412118A
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US2732365A
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US2770546A
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US3271481A
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US3274014A
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US3270072A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |