US3006784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Formation of aldehyde condensation products
Assignee: Tootal Broadhurst Lee Co Ltd
•
Filing: 1956-04-30
•
Granted: 1961-10-31
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ryan John James
- 👤 Taylor Peter John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:14
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/20; C08L61/04; C08L61/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS WHICH COMPRISES IMPREGNATING A FIBROUS MATERIAL WITH A SOLUTION IN AN IONIZING SOLVENT OF THE INGREDIENTS OF AN AMINO-ALDEHYDE RESIN, WHOSE FORMATION IS CATALYSED BY ACID, CONTAINING IN SOLUTION A DIHYDROGEN SALT OF ORTHOPHOSPHORIC ACID WITH A METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, BARIUM, CALCIUM, STRONTIUM, MAGNESIUM, ZINC, COPPER, FERROUS IRON, MANGANESE, CADMIUM AND COBALT, AND THEREAFTER EVAPORATING SAID SOLVENT FROM AND HEATING THE IMPREGNATED MATERIAL WHEREBY TO EFFECT CONDENSATION OF THE RESIN-FORMING INGREDIENTS.
Claim 2
Dependent Claim
78 words
A PROCESS WHICH COMPRISES IMPREGNATING A FIBROUS MATERIAL WITH A SOLUTION IN AN IONIZING SOLVENT OF THE INGREDIENTS OF AN AMINO-ALDEHYDE RESIN, WHOSE FORMATION IS CATALYSED BY ACID, CONTAINING IN SOLUTION A DIHYDROGEN SALT OF ORTHOPHOSPHORIC ACID WITH A METAL SELECTED FROM THE GROUP CONSISTING OF LITHIUM, BARIUM, CALCIUM, STRONTIUM, MAGNESIUM, ZINC, COPPER, FERROUS IRON, MANGANESE, CADMIUM AND COBALT, AND THEREAFTER EVAPORATING SAID SOLVENT FROM AND HEATING THE IMPREGNATED MATERIAL WHEREBY TO EFFECT CONDENSATION OF THE RESIN-FORMING INGREDIENTS.
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |