US3063964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyether-urethane compositions modified with polymethylol phenols
Assignee: Honeywell International Inc
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Filing: 1960-01-15
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Granted: 1962-11-13
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Expires: 1980-01-15
Abstract
No abstract record available.
Inventors
- 👤 Khawam Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:08
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C08G18/3215; C08G18/65; C08G18/66; C08G18/6666; C08G18/667; C08G18/6674; C08G18/6677; C08G18/67; C08G18/675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A HIGHLY CROSS-LINKED POLYETHER POLYMETHYLOL PHENOLPOLYURETHANE COMPOSITION OBTAINED BY CONJOINT REACTION OF AN AROMATIC DIISOCYANATE, A POLYETHER POLYOL, AND A CROSS-LINKING AGENT TO BUILD-UP MACROMOLECULES PROSSESSING HIGH VISCOSITY CONSISTING OF A POLYMETHYLOL PHENOL OF THE FORMULA
Claim 2
Dependent Claim
36 words
A HIGHLY CROSS-LINKED POLYETHER POLYMETHYLOL PHENOLPOLYURETHANE COMPOSITION OBTAINED BY CONJOINT REACTION OF AN AROMATIC DIISOCYANATE, A POLYETHER POLYOL, AND A CROSS-LINKING AGENT TO BUILD-UP MACROMOLECULES PROSSESSING HIGH VISCOSITY CONSISTING OF A POLYMETHYLOL PHENOL OF THE FORMULA
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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |