US3188299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of stable mixtures of organosilicon compositions in the presence of a nitrogen-containing ligand
Assignee: General Electric Co
•
Filing: 1963-02-28
•
Granted: 1965-06-08
•
Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Alan J Chalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:57
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
THE PROCESS FOR REDUCING THE ACTIVITY OF A PLATINUM CATALYST EMPLOYED TO EFFECT COPOLYMERIZATION OF A MIXTURE OF COPOLYMERIZABLE INGREDIENTS COMPRISING (A) AN OLEFINIC POLYSILOXANE HAVING UNITS OF THE FORMULA
Claim 2
Dependent Claim
30 words
THE PROCESS FOR REDUCING THE ACTIVITY OF A PLATINUM CATALYST EMPLOYED TO EFFECT COPOLYMERIZATION OF A MIXTURE OF COPOLYMERIZABLE INGREDIENTS COMPRISING (A) AN OLEFINIC POLYSILOXANE HAVING UNITS OF THE FORMULA
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |