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US3580971A
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Thixotropic organopolysiloxane compositions having pendant methacrylic acid polymer
Assignee: Wacker Chemical Corp
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Filing: 1969-08-13
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Granted: 1971-05-25
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Expires: 1989-08-13
Abstract
Abstract POLYMETHACRYLIC ACID GRAFT MODIFIED SILOXANES WHICH EXHIBIT THIXOTROPIC PROPERTIES.
Inventors
- 👤 John Charles Getson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:34
CPC Classifications
C; C08; C08F; C08F290/00; C08F290/08; C08F290/14; C08F290/148
Claims Analysis
Total Claims: 0
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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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |