US3294739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making one component room temperature curing siloxane rubbers
Assignee: Dow Silicones Corp
•
Filing: 1964-11-19
•
Granted: 1966-12-27
•
Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Donald R Weyenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
49 words
A METHOD OF PREPARING A COMPOSITION WHICH IS STABLE IN THE ABSENCE OF MOISTURE, BUT WHICH WILL CURE UPON EXPOSURE TO MOISTURE WHICH COMPRISES MIXING IN THE ABSENCE OF MOISTURE (1) A HYDROXYLATED SILOXANE HAVING A VISCOSITY OF AT LEAST 25 CS. AT 25*C. AND HAVING THE AVERAGE FORMULA
Claim 2
Independent Claim
49 words
A METHOD OF PREPARING A COMPOSITION WHICH IS STABLE IN THE ABSENCE OF MOISTURE, BUT WHICH WILL CURE UPON EXPOSURE TO MOISTURE WHICH COMPRISES MIXING IN THE ABSENCE OF MOISTURE (1) A HYDROXYLATED SILOXANE HAVING A VISCOSITY OF AT LEAST 25 CS. AT 25*C. AND HAVING THE AVERAGE FORMULA
Claim 3
Dependent Claim
41 words
A COMPOSITION OF MATTER, STABLE UNDER ANHYDROUS CONDDITIONS AND CURABLE BY EXPOSURE TO MOISTURE, BEING MIXED IN THE ABSENCE OF MOISTURE COMPRISING (1) A HYDROXYLATED SILOXANE HAVING A VISCOSITY OF AT LEAST 25 CS. AT 25*C. AND HAVING THE AVERAGE FORMULA
Claim 4
Dependent Claim
41 words
A COMPOSITION OF MATTER, STABLE UNDER ANHYDROUS CONDDITIONS AND CURABLE BY EXPOSURE TO MOISTURE, BEING MIXED IN THE ABSENCE OF MOISTURE COMPRISING (1) A HYDROXYLATED SILOXANE HAVING A VISCOSITY OF AT LEAST 25 CS. AT 25*C. AND HAVING THE AVERAGE 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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |