Patent US3428706A successfully refreshed from Google Patents.
US3428706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising acid-catalyzed and alkaline-catalyzed organopolysiloxanes
Assignee: OI Glass Inc
•
Filing: 1966-09-20
•
Granted: 1969-02-18
•
Expires: 1986-09-20
Abstract
No abstract record available.
Inventors
- 👤 Amy L Jasinski
- 👤 Judith A Walmsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:19
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/18; C08G77/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A COMPOSITION COMPRISING (1) ABOUT 100 PARTS BY WEIGHT OF AN ORGANOPOLYSILOXANE PREPARED FROM AN ACID-CATALYZED HYDROLYSIS AND CONDENSATION PRODUCT OF A TRAILKOXY SILANE MONOMER HAVING THE FORMULA:
Claim 2
Dependent Claim
28 words
A COMPOSITION COMPRISING (1) ABOUT 100 PARTS BY WEIGHT OF AN ORGANOPOLYSILOXANE PREPARED FROM AN ACID-CATALYZED HYDROLYSIS AND CONDENSATION PRODUCT OF A TRAILKOXY SILANE MONOMER HAVING THE FORMULA:
References Cited (Backward Citations)
US2927909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |