US3077418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of wood and wood products with styrene acrylonitrile, bis(2-chloroethyl)vinyl phosphonate
Assignee: Dow Chemical Co
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Filing: 1958-02-05
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Granted: 1963-02-12
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Expires: 1978-02-05
Abstract
No abstract record available.
Inventors
- 👤 Duane L Kenaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:11
CPC Classifications
B; B27; B27K; B27K5/00; B27K5/003; B27K5/0055; B27K3/00; B27K3/34; B27K3/346; C; C08; C08L; C08L97/00; C08L97/02; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/12; C08L33/00; C08L33/18; C08L33/20; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE DIMENSIONAL STABILIZATION OF LIGNOCELLULOSIC MATERIALS WHICH COMPRISES THE STEPS OF SWELLING THE SAID LIGNOCELLULOSIC MATERIAL WITH AN ORGANIC SWELLING AGENT, WHILE SIMULTANEOUSLY IMPREGNATING THE SAID SO SWELLED MATERIAL WITH A MIXTURE OF STYRENE, ACRYLONITRILE AND BIS(2-CHLOROETHYL)VINYL PHOSPHATE, CONSISTING OF A MIXTURE OF ABOUT ONE MOLE OF ACRYLONITRILE AND ABOUT ZERO
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE DIMENSIONAL STABILIZATION OF LIGNOCELLULOSIC MATERIALS WHICH COMPRISES THE STEPS OF SWELLING THE SAID LIGNOCELLULOSIC MATERIAL WITH AN ORGANIC SWELLING AGENT, WHILE SIMULTANEOUSLY IMPREGNATING THE SAID SO SWELLED MATERIAL WITH A MIXTURE OF STYRENE, ACRYLONITRILE AND BIS(2-CHLOROETHYL)VINYL PHOSPHATE, CONSISTING OF A MIXTURE OF ABOUT ONE MOLE OF ACRYLONITRILE AND ABOUT ZERO
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |