US2874135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass coating compositions
Assignee: —
•
Filing: —
•
Granted: 1959-02-17
•
Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/70; C08L; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COMPOSITION OF MATTER COMPRISING BY WEIGHT, (1) FROM 50 TO 60 PERCENT OF A METHYLPOLYSILOXANE FLUID CONTAINING AN AVERAGE OF FROM 1.95 TO 2.1 METHYL GROUPS PER SILICON ATOM AND HAVING A VISCOSITY OF FROM 10 TO 100 CENTISTOKES WHEN MEASURED AT 25*C., (2) FROM 1 TO 10 PERCENT OF A METHYLPOLYSILOXANE HAVING AN AVERAGE OF MORE THAN TOW METHYL GROUPS PER SILICON ATOM AND HAVING A VISCOSITY OF FROM 50,000 TO 2,000,000 CENTISTOKES WHEN MEASURED AT 25*C., (3) LESS THAN 10 PERCENT OF A METHYLPOLYSILOXANE RESIN HAVING A RATIO OF FROM 1.2 TO 1.7 METHYL GROUPS PER SILICON ATOM AND CONTAINING CH3SIO3,2, (CH3)2SIO AND (CH3)3SIO1/2 GROUPS, (4) FROM 1 TO 15 PERCENT OF A FINELY DIVIDED SILICA AND (5) FROM 1 TO 10 PERCENT OF A DIMERIZED LINOLEIC ACID.
Claim 2
Dependent Claim
131 words
A COMPOSITION OF MATTER COMPRISING BY WEIGHT, (1) FROM 50 TO 60 PERCENT OF A METHYLPOLYSILOXANE FLUID CONTAINING AN AVERAGE OF FROM 1.95 TO 2.1 METHYL GROUPS PER SILICON ATOM AND HAVING A VISCOSITY OF FROM 10 TO 100 CENTISTOKES WHEN MEASURED AT 25*C., (2) FROM 1 TO 10 PERCENT OF A METHYLPOLYSILOXANE HAVING AN AVERAGE OF MORE THAN TOW METHYL GROUPS PER SILICON ATOM AND HAVING A VISCOSITY OF FROM 50,000 TO 2,000,000 CENTISTOKES WHEN MEASURED AT 25*C., (3) LESS THAN 10 PERCENT OF A METHYLPOLYSILOXANE RESIN HAVING A RATIO OF FROM 1.2 TO 1.7 METHYL GROUPS PER SILICON ATOM AND CONTAINING CH3SIO3,2, (CH3)2SIO AND (CH3)3SIO1/2 GROUPS, (4) FROM 1 TO 15 PERCENT OF A FINELY DIVIDED SILICA AND (5) FROM 1 TO 10 PERCENT OF A DIMERIZED LINOLEIC ACID.
References Cited (Backward Citations)
US2660736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |