US3093607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plywood adhesive solutions and extender compositions therefor
Assignee: Agrashell Inc
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Filing: 1960-06-30
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Granted: 1963-06-11
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:51
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/04; C09J161/06; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
PLYWOOD- AND LAMINATING-ADHESIVE SOLUTIONS COMPRISING A THERMOSETTING ALDEHYDRIC RESIN SELECTED FROM THE GROUP CONSISTING OF PHENOLIC-ALDEHYDE RESINS AND AMINOALDEHYDE RESINS IN AQUEOUS ALKALINE COLLOIDAL SOLUTION, HAVING DISPERSED THEREIN AN EXTENDER COMPOSITION COMPRISING A MAJOR PROPORTION OF A VEGETABLE SHELL FLOUR EXTENDER AND MINOR PROPORTIONS, EACH OF AT LEAST 5% OF THE WEIGHT OF SAID COMPOSITION, OF EXTRACTED LIGNIN AT LEAST 10% OF WHICH IS OXIDIZED LIGNIN CONTAINING ABOUT 1 TO 7 MOLS OF ADDED OXYGEN PER MOL OF LIGNIN, AND OF A NON-FIBROUS BARK PHLOEM FLOUR.
References Cited (Backward Citations)
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US2507465A
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US2506486A
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US2669522A
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |