US3095323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the upgrading of cellulose textiles
Assignee: Inventa AG fuer Forschung und Patentverwertung
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Filing: 1960-09-22
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Granted: 1963-06-25
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Behncke Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:43
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROCESS FOR THE UPGRADING OF CELLULOSIC TEXTILES, WHICH COMPRISES IMPREGNATING SAID TEXTILES WITH A SELFPOLYMERIZING W-CARBOXYLALKYLENEUREA, HAVING AN ALKYLENE GROUP CONSISTING OF 5 TO 10 METHYLENE GROUPS, IN AQUEOUS SOLUTION HARDENING AND DRYING SAID RESIN.
Claim 2
Dependent Claim
36 words
A PROCESS FOR THE UPGRADING OF CELLULOSIC TEXTILES, WHICH COMPRISES IMPREGNATING SAID TEXTILES WITH A SELFPOLYMERIZING W-CARBOXYLALKYLENEUREA, HAVING AN ALKYLENE GROUP CONSISTING OF 5 TO 10 METHYLENE GROUPS, IN AQUEOUS SOLUTION HARDENING AND DRYING SAID RESIN.
References Cited (Backward Citations)
US1989968A
Cited
US2109941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |