US3305504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions containing organosilicon copolymers
Assignee: Union Carbide Corp
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Filing: 1965-01-12
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Granted: 1967-02-21
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Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Dexter P Huntington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:07
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/16; C08; C08L; C08L23/00; C08L23/02; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/20; C08G77/22; C08G77/26; C08G77/42; C08G77/46; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COATING COMPOSITION COMPRISING (1) FROM 1 TO 50 PARTS BY WEIGHT OF A POLYMERIC COATING-FORMING ORGANIC COMPOUND (2) FROM 0.001 TO 30 PARTS BY WEIGHT OF A BLOCK COPOLYMER COMPOSED OF (A) AT LEAST ONE SILOXANE BLOCK CONTAINING AT LEAST TWO SILOXANE UNITS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
48 words
A COATING COMPOSITION COMPRISING (1) FROM 1 TO 50 PARTS BY WEIGHT OF A POLYMERIC COATING-FORMING ORGANIC COMPOUND (2) FROM 0.001 TO 30 PARTS BY WEIGHT OF A BLOCK COPOLYMER COMPOSED OF (A) AT LEAST ONE SILOXANE BLOCK CONTAINING AT LEAST TWO SILOXANE UNITS REPRESENTED BY THE 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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |