US3099633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extender compositions, adhesive solutions containing same and process of preparation
Assignee: Agrashell Inc
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Filing: 1960-06-30
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Granted: 1963-07-30
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Robert B Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:38
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
91 words
PLYWOOD- AND LAMINATING-ADHESIVE SOLUTION COMPRISING A THERMOSETTING ALDEHYDIC RESIN GLUE SELECTED FROM THE GROUP CONSISTING OF PHENOLIC-ALDEHYDE RESINS AND AMINO-ALDEHYDE RESINS IN AQUEOUS ALKALINE COLLOIDAL SOLUTION A VEGETABLE SHELL FLOUR EXTENDER AND MINOR AMOUNTS OF EXTRACTED LIGNIN AND OF A LIGNOCELLULOSIC FIBROUS MATERIAL, COMPRISING LIGNIN AND SEPARATE WOOD FIBERS, RESULTING FROM THE DRYING AND GRINDING OF FRAGMENTAL SOLIDS PRODUCED BY THE HYDRO-THERMAL DEGRADATION OF WOOD UNDER SUPERATMOSPHERIC PRESSURE, AT LEAST 10% OF SAID LIGNIN BEING OXIDE EXTRACTED LIGNIN CONTAINING ABOUT 1 TO 7 MOLS OF ADDED OXYGEN PER MOL OF LIGNIN.
References Cited (Backward Citations)
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |