US3100754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potentially reactive urea-formaldehyde adhesive system
Assignee: Hexion Inc
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Filing: 1958-05-23
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Granted: 1963-08-13
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Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Booth
- 👤 Robert B Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
C; C09; C09J; C09J161/00; C09J161/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN ADHESIVE COMPOSITION FOR BONDING WOOD UNDER HEAT AND PRESSURE COMPRRISING A THERMOSETTING WATER SOLUBLE AMINOPLAST RESIN, WHICH IS A CONSENSATION PRODUCT OF 1.6-2.5 MOLES OF FORMALDEHYDE WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) MOLE UREA, (2) 0.1 MOLE OF MELAMINE, AND (3) MIXTURES THEREOF, A HARDENER THEREFOR IN THE PROPORTION OF ABOUT 7-23 PARTS FOR 100 PARTS DRY WEIGHT OF THE RESIN, THE HARDENER CONSISTINGG ESSENTIALLY OF APPROXIMATELY 10%-50% OF UREA, 2.5% 11% OF AMMONIA IS AQUEOUS SOLUTION AND AMMONIUM NITRATE IN AMOUNT TO MAKE THE TOTAL 100%, AND WATER, THE TOTAL WATER CONTENT BEING ADEQUATE TO DISSOLVE THE SAID RESIN AND HARDENER.
Claim 2
Dependent Claim
107 words
AN ADHESIVE COMPOSITION FOR BONDING WOOD UNDER HEAT AND PRESSURE COMPRRISING A THERMOSETTING WATER SOLUBLE AMINOPLAST RESIN, WHICH IS A CONSENSATION PRODUCT OF 1.6-2.5 MOLES OF FORMALDEHYDE WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) MOLE UREA, (2) 0.1 MOLE OF MELAMINE, AND (3) MIXTURES THEREOF, A HARDENER THEREFOR IN THE PROPORTION OF ABOUT 7-23 PARTS FOR 100 PARTS DRY WEIGHT OF THE RESIN, THE HARDENER CONSISTINGG ESSENTIALLY OF APPROXIMATELY 10%-50% OF UREA, 2.5% 11% OF AMMONIA IS AQUEOUS SOLUTION AND AMMONIUM NITRATE IN AMOUNT TO MAKE THE TOTAL 100%, AND WATER, THE TOTAL WATER CONTENT BEING ADEQUATE TO DISSOLVE THE SAID RESIN AND HARDENER.
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |