US3153597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric dialdehyde-protein adhesives and wood laminates therewith
Assignee: Individual
•
Filing: 1961-11-16
•
Granted: 1964-10-20
•
Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Francis B Weakley
- 👤 Charles L Methltretter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:57
CPC Classifications
C; C09; C09J; C09J189/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AS A COMPOSITION OF MATTER, A NONSTAINING, HIGHLY WATER-RESISTANT, SELF-CURING GENERAL PURPOSE PLYWOOD GLUE COMPRISING THE ROOM TEMPERATURE REACTION PRODCUT OF AN AQUEOUS BORAX-DISPERSION CONTAINING 100 PARTS OF A PROTEIN SELECTED FROM THE GROUP CONSISTING OF CASEIN AND SOYBEAN ALPHA PORTEIN AND AN AQUEOUS BORAX-DISPERSION CONTAINING 2,5 TO 5 PARTS, BASED ON THE DRY WEIGHT OF THE PROTEIN, OF DIALDEHYDE STARCH CONTAINING AT LEAST ABOUT 90 PERCENT OF THEORY OF ALDEHYDE GROUPS, AND REACTION PRODUCT HAVING BEEN FORMED AT A PH OF ABOUT 6.0 TO NOT ABOVE ABOUT 7.8.
Claim 2
Dependent Claim
89 words
AS A COMPOSITION OF MATTER, A NONSTAINING, HIGHLY WATER-RESISTANT, SELF-CURING GENERAL PURPOSE PLYWOOD GLUE COMPRISING THE ROOM TEMPERATURE REACTION PRODCUT OF AN AQUEOUS BORAX-DISPERSION CONTAINING 100 PARTS OF A PROTEIN SELECTED FROM THE GROUP CONSISTING OF CASEIN AND SOYBEAN ALPHA PORTEIN AND AN AQUEOUS BORAX-DISPERSION CONTAINING 2,5 TO 5 PARTS, BASED ON THE DRY WEIGHT OF THE PROTEIN, OF DIALDEHYDE STARCH CONTAINING AT LEAST ABOUT 90 PERCENT OF THEORY OF ALDEHYDE GROUPS, AND REACTION PRODUCT HAVING BEEN FORMED AT A PH OF ABOUT 6.0 TO NOT ABOVE ABOUT 7.8.
References Cited (Backward Citations)
US2537114A
Cited
US2606188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |