US3772066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating metal substrates with silicone elastomer
Assignee: Dow Silicones Corp
•
Filing: 1972-05-22
•
Granted: 1973-11-13
•
Expires: 1992-05-22
Abstract
Abstract A composition of a vinyldiorganosiloxy endblocked polydimethylsiloxane and a mixture of an organosiloxane having five to 20 silicon atoms per molecule and an average of at least three silicon-bonded hydrogen atoms per molecule and a modified organosiloxane having six to 21 silicon atoms per molecule, an average of at least two silicon-bonded hydrogen atoms per molecule and an average of at least one unit of (RO)3Si(CH2)x(CH3)SiO, (RO)3Si(CH2)x(CH3)2SiO0.5 and mixtures thereof where R is methyl, ethyl or AND X IS 2 OR 3 IS CURABLE TO AN ELASTOMER WHICH HAS IMPROVED UMPRIMED ADHESION TO SUBSTRATES, PARTICULARLY METAL SUBSTRATES.
Inventors
- 👤 W Clark
- 👤 W Hays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:30
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/20; C08G77/70
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
16 words
The method in accordance with claim 1 in which a filler is present in the composition.
Claim 2
Dependent Claim
14 words
The method in accordance with claim 2 in which the metal substrate is steel.
Claim 3
Dependent Claim
14 words
The method in accordance with claim 2 in which the metal substrate is aluminum.
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) | 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 |