US3772122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primer for adhesion of silicone rubber to metal
Assignee: Dow Silicones Corp
•
Filing: 1971-12-09
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Granted: 1973-11-13
•
Expires: 1991-12-09
Abstract
Abstract A mixture of an organotitanate, tetra(methoxyethoxy)-silane, a methylsiloxane resin, acetic acid or an organotriacetoxysilane and a hydrocarbon solvent is useful as a primer in adhering a silicone rubber to a metal surface such as titanium.
Inventors
- 👤 D Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:12
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C09; C09D; C09D183/00; C09D183/04; C09D4/00; C08J2383/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
The method in accordance with claim 1 in which the room temperature vulcanizable silicone rubber has a polymethyl-3,3,3-trifluoropropylsiloxane base polymer.
Claim 2
Dependent Claim
34 words
The method in accordance with claim 2 in which the room temperature vulcanizable silicone rubber has a base polymer which contains vinylsiloxane units, a siloxane compound containing silicone-bonded hydrogen atoms and a platinum catalyst.
Claim 3
Dependent Claim
16 words
The method in accordance with claim 1 in which the metal surface is a titanium surface.
Claim 4
Dependent Claim
16 words
The method in accordance with claim 9 in which the metal surface is a titanium surface.
Claim 5
Dependent Claim
16 words
The method in accordance with claim 3 in which the metal surface is a titanium surface.
Claim 6
Dependent Claim
9 words
The product prepared by the method of claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |