US3402237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conjugated drying oil-isobutylene factice potting composition and method
Assignee: Sherwin Williams Co
•
Filing: 1963-02-19
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Granted: 1968-09-17
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Robert D Holzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:20
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C; C08; C08F; C08F10/00; C08H; C08H3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE PROCESS OF IN SITU PRODUCTION OF A NON-LEAKING POTTING COMPOUND IN ELECTRICAL DEVICES CONTAINING CONDUCTOR ELEMENTS WHICH COMPRISES COPOLYMERIZING (A) A DRYING OIL HAVING FATTY ACID RADICALS CONTAINING A MAJOR PROPORTION OF CONJUGATED UNSATURATION WITH (B) AN ETHYLENICALLY UNSATURATED ISOBUTYLENE SELECTED FROM THE GROUP CONSISTING OF DIISOBUTYLENE, TRIISOBUTYLENE, AND MIXTURES THEREOF, IN THE PRESENCE OF (C) A METALLIC HALIDE ADDITION POLYMERIZATION CATALYST UNTIL SAID DRYING OIL AND ISOBUTYLENES HAVE COPOLYMERIZED TO FORM A RUBBER-LIKE JELL ABOUT THE CONDUCTOR ELEMENTS THEREOF.
Claim 2
Dependent Claim
81 words
THE PROCESS OF IN SITU PRODUCTION OF A NON-LEAKING POTTING COMPOUND IN ELECTRICAL DEVICES CONTAINING CONDUCTOR ELEMENTS WHICH COMPRISES COPOLYMERIZING (A) A DRYING OIL HAVING FATTY ACID RADICALS CONTAINING A MAJOR PROPORTION OF CONJUGATED UNSATURATION WITH (B) AN ETHYLENICALLY UNSATURATED ISOBUTYLENE SELECTED FROM THE GROUP CONSISTING OF DIISOBUTYLENE, TRIISOBUTYLENE, AND MIXTURES THEREOF, IN THE PRESENCE OF (C) A METALLIC HALIDE ADDITION POLYMERIZATION CATALYST UNTIL SAID DRYING OIL AND ISOBUTYLENES HAVE COPOLYMERIZED TO FORM A RUBBER-LIKE JELL ABOUT THE CONDUCTOR ELEMENTS THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |