Patent US3278485A successfully refreshed from Google Patents.
US3278485A
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Non-ionic organopolysiloxanes
Assignee: Imperial Chemical Industries Ltd
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Filing: 1964-03-20
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Granted: 1966-10-11
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Morgan David Brereton
- 👤 Vickers Edward Jervis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:09
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C08G77/38; C08G77/382; C08G77/388; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
NON-IONIC ORGANOPOLYSILOXANES SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
8 words
NON-IONIC ORGANOPOLYSILOXANES SELECTED FROM THE GROUP CONSISTING OF:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |