US3341338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysiloxane polish formulations
Assignee: Union Carbide Corp
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Filing: 1965-05-28
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Granted: 1967-09-12
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Anton S Pater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:07
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
43 words
A POLISH WHICH COMPRISES (A) AS THE SOLE POLYSILOXANE CONTAINING CONSTITUENT FROM ABOUT 0.1 TO ABOUT 98 WEIGHT PERCENT OF A POLYSILOXANE-OXYALKYLENE BLOCK COPOLYMER CONSISTING ESSENTIALLY OF (1) 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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |