Patent US3061578A successfully refreshed from Google Patents.
US3061578A
Expired / Lapsed
US
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Method of preparing silicone rubber stocks comprising milling at a temperature above60 deg. c. in the presence of vulcanizing agent
Assignee: Wacker Chemie AG
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Filing: 1959-10-26
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Granted: 1962-10-30
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Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Nitzsche Siegfried
- 👤 Wick Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:44
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C08K3/34; C08K3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A METHOD OF PREPARING SILICONE RUBBER STOCKS CONSISTING ESSENTIALLY OF PREPARING A MIXTURE COMPRISING 100 PARTS BY WEIGHT OF A SILOXANE POLYMER OF THE UNIT FORMULA
Claim 2
Independent Claim
26 words
A METHOD OF PREPARING SILICONE RUBBER STOCKS CONSISTING ESSENTIALLY OF PREPARING A MIXTURE COMPRISING 100 PARTS BY WEIGHT OF A SILOXANE POLYMER OF THE UNIT 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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |