US3358005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethanes and polyureas from diisocyanates
Assignee: Merck and Co Inc
•
Filing: 1964-11-24
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Granted: 1967-12-12
•
Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 John D Garber
- 👤 Wasserman David
- 👤 Gasser Robert Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:03
CPC Classifications
C; C07; C07C; C07C265/00; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3225; C08G18/3228; C08G18/36; C08G18/40; C08G18/42; C08G18/4205; C08G18/423; C08G18/4233; C08G18/70; C08G18/72; C08G18/77; C08G18/771; C10; C10M; C10M1/00; C10M1/08; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10N; C10N2050/00; C10N2050/015; C10N2050/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE METHOD FOR PRODUCING AN ORGANIC PRODUCT WHICH AT 25*C. WILL TOLERATE AT LEAST ON EQUAL VOLUME OF MINERAL SPIRITS WHICH COMPRISES REACTING (A) A DIISOCYANATE HAVING THE FORMULA
Claim 2
Independent Claim
29 words
THE METHOD FOR PRODUCING AN ORGANIC PRODUCT WHICH AT 25*C. WILL TOLERATE AT LEAST ON EQUAL VOLUME OF MINERAL SPIRITS WHICH COMPRISES REACTING (A) A DIISOCYANATE HAVING THE FORMULA
References Cited (Backward Citations)
US2787601A
Cited
US3102875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |