US2895853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane water repellent treatment for fibrous materials
Assignee: Union Carbide Corp
•
Filing: 1955-05-03
•
Granted: 1959-07-21
•
Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Donald L Bailey
- 👤 Edward R York
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:51
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE METHOD OF RENDERING A FIBROUS MATERIAL WATER REPELLENT WHICH METHOD COMPRISES TREATING SUCH A MATERIAL WITH A DILUTE SYSTEM OF A LINEAR COPOLYMERIC POLYSILOXANE HAVING THE GENERAL FORMULA-
Claim 2
Independent Claim
29 words
THE METHOD OF RENDERING A FIBROUS MATERIAL WATER REPELLENT WHICH METHOD COMPRISES TREATING SUCH A MATERIAL WITH A DILUTE SYSTEM OF A LINEAR COPOLYMERIC POLYSILOXANE HAVING THE GENERAL FORMULA-
References Cited (Backward Citations)
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Cited
US2412470A
Cited
US2547678A
Cited
US2615824A
Cited
GB645768A
Cited
US2612482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |