Patent US2983693A successfully refreshed from Google Patents.
US2983693A
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Isocyanate terminated polyurethane adhesive composition
Assignee: EIDP Inc
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Filing: 1956-12-20
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Granted: 1961-05-09
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Expires: 1976-12-20
Abstract
No abstract record available.
Inventors
- 👤 Robert J Sievers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:44
CPC Classifications
C; C09; C09J; C09J175/00; C09J175/04; C09J175/08; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THE ADHESIVE COMPOSITIONS OBTAINED BY MIXING AT A TEMPERATURE OF FROM ABOUT 75 TO 140*C. (A) AN ISOCYANATE-TERMINATED POLYURETHANE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
23 words
THE ADHESIVE COMPOSITIONS OBTAINED BY MIXING AT A TEMPERATURE OF FROM ABOUT 75 TO 140*C. (A) AN ISOCYANATE-TERMINATED POLYURETHANE OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2764565A
Cited
GB733624A
Cited
US2772245A
Cited
US2787601A
Cited
US2769826A
Cited
US2864780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |