Patent US3202541A successfully refreshed from Google Patents.
US3202541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for impregnating fabrics with aqueous polymeric impregnating composition
Assignee: EIDP Inc
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Filing: 1960-08-31
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Granted: 1965-08-24
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Hochberg Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:47
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/244; D06M15/256; C; C08; C08F; C08F291/00; D06M14/00; D06M14/08; D06M14/12; D06M14/14; D06M14/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS WHICH COMPRISES IMPREGNATING A FABRIC WITH A COMPOSITION COMPRISING A WATER INSOLUBLE POLYMERIC IMPREGNANAT AND AN AQUEOUS SOLUTION OF WATER-SOLUBLE, ETHYLENICALLY-UNSATURATED GELLING AGENT, POLYMERIZING SAID GELLING AGENT BELOW ABOUT 100*C. TO GEL THE AQUEOUS SOLUTION AND EVAPORATION WATER FROM THE RESULTING PRODUCT.
Claim 2
Dependent Claim
44 words
A PROCESS WHICH COMPRISES IMPREGNATING A FABRIC WITH A COMPOSITION COMPRISING A WATER INSOLUBLE POLYMERIC IMPREGNANAT AND AN AQUEOUS SOLUTION OF WATER-SOLUBLE, ETHYLENICALLY-UNSATURATED GELLING AGENT, POLYMERIZING SAID GELLING AGENT BELOW ABOUT 100*C. TO GEL THE AQUEOUS SOLUTION AND EVAPORATION WATER FROM THE RESULTING PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |