US3352799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosiliconcarbodiimide polymers and process for their preparation
Assignee: General Electric Co
•
Filing: 1966-06-22
•
Granted: 1967-11-14
•
Expires: 1986-06-22
Abstract
No abstract record available.
Inventors
- 👤 Johann F Klebe
- 👤 James G Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:31
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PROCESS FOR THE PREPARATION OF POLY(ORGANOSILICON) CARBOIIMIDES WHICH COMPRISES FORMING A MIXTURE OF (1) A SILICON COMPOUND CONTAINING SILICON-HALOGEN BONDS, SAID SILICON COMPOUND SELECTED FROM THE CLASS CONSISTING OF HALOSILANES OF THE FORMULA RA-SI-X4-A AND HALOORGANOSILOXANES OF THE FORMULA
Claim 2
Dependent Claim
40 words
A PROCESS FOR THE PREPARATION OF POLY(ORGANOSILICON) CARBOIIMIDES WHICH COMPRISES FORMING A MIXTURE OF (1) A SILICON COMPOUND CONTAINING SILICON-HALOGEN BONDS, SAID SILICON COMPOUND SELECTED FROM THE CLASS CONSISTING OF HALOSILANES OF THE FORMULA RA-SI-X4-A AND HALOORGANOSILOXANES OF THE FORMULA
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |