US2867644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of resins from abietyl alcohols
Assignee: UCB SA
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Filing: 1957-06-04
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Granted: 1959-01-06
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Expires: 1977-06-04
Abstract
No abstract record available.
Inventors
- 👤 Leclercq Rene
- 👤 Paquet Rene Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:40
CPC Classifications
C; C09; C09F; C09F1/00; C09F1/04; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/2815; C08G18/282; C08G18/2825
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A PRCESS FOR THE PREPARATION OF DIISOCYANATE RESINS WHICH COMPRISES REACTING AT A TEMPERATURE BETWEEN 100 AND 300*C. AND IN THE PRESENCE OF AN INERT GAS, AT LEAST ONE DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF METHYLENE-BIS-(4-PHENYL-ISOCYANATE), HEXAMETHYLENE DIISOCYANATE, TOLUENE-2,4-DIISOCYANATE AND 3,3''-DIMETHOXY4,4''-DIPHENYLENE DIISOCYANATE, WITH AT LEAST ONE ABIETYL, ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ABIETYL, DIHYDROABIETYL AND TETRAHYDROABIETYL ALCOHOLS, THE MOLECULAR RATIO OF DIISOCYANATES TO ABIETYL ALCOHOLS USED BEING BETWEEN 10:1 AND 1:5.
Claim 2
Dependent Claim
74 words
A PRCESS FOR THE PREPARATION OF DIISOCYANATE RESINS WHICH COMPRISES REACTING AT A TEMPERATURE BETWEEN 100 AND 300*C. AND IN THE PRESENCE OF AN INERT GAS, AT LEAST ONE DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF METHYLENE-BIS-(4-PHENYL-ISOCYANATE), HEXAMETHYLENE DIISOCYANATE, TOLUENE-2,4-DIISOCYANATE AND 3,3''-DIMETHOXY4,4''-DIPHENYLENE DIISOCYANATE, WITH AT LEAST ONE ABIETYL, ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ABIETYL, DIHYDROABIETYL AND TETRAHYDROABIETYL ALCOHOLS, THE MOLECULAR RATIO OF DIISOCYANATES TO ABIETYL ALCOHOLS USED BEING BETWEEN 10:1 AND 1:5.
Claim 3
Dependent Claim
70 words
A DIISOCYANATE RESIN PREPARED BY REACTING AT A TEMPERATURE BETWEEN 100 AND 300*C. AND IN THE PRESENCE OF AN INERT GAS, AT LEAST ONE DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF METHYLENE-BIS-(4-PHENYL-ISOCYANATE), HEXAMETHYLENE DIISOCYANATE, TOLUENE-2, 4-DIISOCYANATE AND 3,3''-DIMETHOXY-4,4''-DIPHENYLENE DIISOCYANATE WITH ABIETYL ALCOHOLS SELECTED FROM THE GROUP CONSISTING OF ABIETYL, DIHYDROABIETYL AND TETRAHYDROABIETYL ALCOHOLS AND THEIR MIXTURES, THE MOLECULAR RATIO OF DIISOCYANATES TO ABIETYL ALCOHOLS USED BEING BETWEEN 10:1 AND 1:5.
Claim 4
Dependent Claim
70 words
A DIISOCYANATE RESIN PREPARED BY REACTING AT A TEMPERATURE BETWEEN 100 AND 300*C. AND IN THE PRESENCE OF AN INERT GAS, AT LEAST ONE DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF METHYLENE-BIS-(4-PHENYL-ISOCYANATE), HEXAMETHYLENE DIISOCYANATE, TOLUENE-2, 4-DIISOCYANATE AND 3,3''-DIMETHOXY-4,4''-DIPHENYLENE DIISOCYANATE WITH ABIETYL ALCOHOLS SELECTED FROM THE GROUP CONSISTING OF ABIETYL, DIHYDROABIETYL AND TETRAHYDROABIETYL ALCOHOLS AND THEIR MIXTURES, THE MOLECULAR RATIO OF DIISOCYANATES TO ABIETYL ALCOHOLS USED BEING BETWEEN 10:1 AND 1:5.
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |