US3119782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of a polyalkylene polysulfide and a polyfunctional aziridine ring-containing compound
Assignee: 3M Co
•
Filing: 1960-11-01
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Granted: 1964-01-28
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Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Fram Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:09
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0246; C08G73/0253; C08L; C08L81/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A REACTION PRODUCT OF A POLYALKYLENE POLYSULFIDE PREPOLYMER WHICH CONTAINS RECURRING DISULFIDE LINKAGES (-S-S-) AND WHICH IS POLYFUNCTIONAL IN TERMS OF MERCAPTAN GROUPS AND A POLYFUNCTIONAL AZIRIDINE RING-CONTAINING COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
32 words
A REACTION PRODUCT OF A POLYALKYLENE POLYSULFIDE PREPOLYMER WHICH CONTAINS RECURRING DISULFIDE LINKAGES (-S-S-) AND WHICH IS POLYFUNCTIONAL IN TERMS OF MERCAPTAN GROUPS AND A POLYFUNCTIONAL AZIRIDINE RING-CONTAINING COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2964503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |