US3067155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymer acrylate-amino acrylate and metal isopropoxide water repellent compositions
Assignee: Stamford Chemical Industries Inc
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Filing: 1959-08-17
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Granted: 1962-12-04
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Edwin B Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; D06M13/00; D06M13/02; D06M13/50; D06M13/503; D06M15/227; D06M15/233; D06M15/263; D06M15/267; D06M15/356; D06M15/3562
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A PROCESS FOR RENDERING MATTER IN THE FORM OF A FIBER, FILAMENT, YARN AND FABRIC WATER REPELLENT BY TREATING THE SAME WITH A RESINOUS COMPOSITION THE IMPROVEMENT COMPRISING THE STEPS OF: APPLYING TO SAID MATTER A WATER REPELLENT LIQUID COMPOSITION CONTAINING A MIXTURE ESSENTIALLY OF: (A) FROM ABOUT ONE TO ABOUT TEN PARTS BY WEIGHT OF A COPOLYMER DISSOLVED IN ABOUT 1000 PARTS BY VOLUME OF A COMPATIBLE ORGANIC SOLVENT THEREFOR, SAID COPOLYMER BEING PREPARED BY COPOLYMERIZING OF FROM ABOUT 70 TO 95 PARTS BY WEIGHT OF AN OLEOPHILIC MONOMER CHARACTERIZED BY THE FORMULA:
Claim 2
Dependent Claim
95 words
IN A PROCESS FOR RENDERING MATTER IN THE FORM OF A FIBER, FILAMENT, YARN AND FABRIC WATER REPELLENT BY TREATING THE SAME WITH A RESINOUS COMPOSITION THE IMPROVEMENT COMPRISING THE STEPS OF: APPLYING TO SAID MATTER A WATER REPELLENT LIQUID COMPOSITION CONTAINING A MIXTURE ESSENTIALLY OF: (A) FROM ABOUT ONE TO ABOUT TEN PARTS BY WEIGHT OF A COPOLYMER DISSOLVED IN ABOUT 1000 PARTS BY VOLUME OF A COMPATIBLE ORGANIC SOLVENT THEREFOR, SAID COPOLYMER BEING PREPARED BY COPOLYMERIZING OF FROM ABOUT 70 TO 95 PARTS BY WEIGHT OF AN OLEOPHILIC MONOMER CHARACTERIZED 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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |