US3079294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding cellulosic materials
Assignee: Dow Chemical Co
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Filing: 1960-09-29
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Granted: 1963-02-26
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 James A Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:13
CPC Classifications
C; C08; C08L; C08L97/00; C08L97/02; C08L25/00; C08L25/02; C08L25/04; C08L25/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A PROCESS FOR BONDING WOOD AND WOOD PRODUCTS BY POLYMERIZING IN CONTACT THEREWITH A POLYMERIZABLE COMPOSITION, THE IMPROVEMENT WHEREIN SAID COMPOSITION IS A PARTIALLY POLYMERIZED MIXTURE CONSISTING ESSENTIALLY OF FROM ABOUT 75% TO ABOUT 99% BY WEIGHT OF STYRENE AND FROM ABOUT 25% TO ABOUT 1% BY WEIGHT OF A CROSSLINKINGS AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ANHYDRIDE, METHACRYLIC ANHYDRIDE, MIXTURES THEREOF, AND MIXTURES THEREOF WITH DIVINYLBENZENE.
Claim 2
Dependent Claim
70 words
IN A PROCESS FOR BONDING WOOD AND WOOD PRODUCTS BY POLYMERIZING IN CONTACT THEREWITH A POLYMERIZABLE COMPOSITION, THE IMPROVEMENT WHEREIN SAID COMPOSITION IS A PARTIALLY POLYMERIZED MIXTURE CONSISTING ESSENTIALLY OF FROM ABOUT 75% TO ABOUT 99% BY WEIGHT OF STYRENE AND FROM ABOUT 25% TO ABOUT 1% BY WEIGHT OF A CROSSLINKINGS AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ANHYDRIDE, METHACRYLIC ANHYDRIDE, MIXTURES THEREOF, AND MIXTURES THEREOF WITH DIVINYLBENZENE.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |