US4719274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article containing a stabilized silicone gel
Assignee: AT&T Inc
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Filing: 1986-10-30
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Granted: 1988-01-12
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Expires: 2006-10-30
Abstract
Abstract A method for preventing unwanted continued polymerization with aging of a polymer, e.g., a silicone gel, which was catalytically cured comprises treating the cured polymer with a catalytic deactivating agent or stabilization of cured resin.
Inventors
- 👤 Ching P. Wong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:37
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/14; A61L27/18; C; C08; C08G; C08G77/00; C08G77/04; C08G77/32; C08J; C08J3/00; C08J3/24; G; G06; G06F; G06F3/00; G06F3/01; G06F3/03; G06F3/041; G06F3/042; G06F3/0421
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
32 words
An article of manufacture comprising a cured silicone gel, a platinum catalyst dispersed in said silicone gel and ammonia having been added to said gel to prevent continued polymerization of said gel.
Claim 2
Dependent Claim
32 words
An article of manufacture comprising a cured silicone gel, a platinum catalyst dispersed in said silicone gel and ammonia having been added to said gel to prevent continued polymerization of said gel.
Claim 3
Dependent Claim
17 words
The article recited in claim 1, which article is in the form of a touch sensitive screen.
References Cited (Backward Citations)
GB990800A
Cited
US4011247A
Cited
US4008346A
Cited
US4066594A
Cited
US4043977A
Cited
US4203913A
Cited
US4336364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-11 | 1991-07-13 | 1992-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-11 | 1995-07-13 | 1996-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-11 | 1999-07-13 | 2000-01-12 | $7700.00 | Window Closed / Lapsed |