US3255129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of polyether-based polyurethane elastomer with zinc dibutyl or dibenzyl dithiocarbamate
Assignee: Uniroyal Inc
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Filing: 1963-03-13
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Granted: 1966-06-07
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Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Richard J Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:16
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08J9/0033; C08K; C08K5/00; C08K5/36; C08K5/39; C08J2375/00; C08J2375/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
FLEXIBLE, ELASTIC POLYURETHANE FOAM WHICH IS A FOAMED REACTION PRODUCT OF AN ORGANIC POLYISOCYANATE AND A POLYETHER HAVING A MOLECULAR WEIGHT OF FROM 400 TO 6000 AND CONTAINING FROM 2 TO 6 HYDROXYL GROUPS PER MOLECULE, SAID FOAM CONTAINING, AS A STABILIZER, FROM 0.1 TO 10 PARTS, PER 100 PARTS BY WEIGHT OF SAID REACTION PRODUCT, OF A CHEMICAL SELECTED FROM THE GROUP CONSISTING OF ZINC DIBUTYL DITHIOCARBAMATE AND ZINC DIBENZYL DITHIOCARBAMATE.
References Cited (Backward Citations)
US3006870A
Cited
US3182037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |