Patent US3597377A successfully refreshed from Google Patents.
US3597377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butyl rubber adhesive and caulking compositions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1968-05-06
•
Granted: 1971-08-03
•
Expires: 1988-05-06
Abstract
Abstract AN ADHESIVE SEALANT BASE COMPRISING BUTYL RUBBER AND A TACKIFIER IS PREPARED BY HEAT TREATING IN THE PRESENCE OF (1) A HALOGENATED PHENOL ALDEHYDE RESIN OR (2) A PHENOL ALDEHYDE RESIN IN CONJUNCTION WITH A HALIDE CONTAINING ACTIVATOR.
Inventors
- 👤 Anthony J Berejka
- 👤 Anthony Lagani Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:05
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |