Patent US2563637A successfully refreshed from Google Patents.
US2563637A
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Process for producing lustrous cellulosic products
Assignee: EIDP Inc
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Filing: 1946-08-22
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Granted: 1951-08-07
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Expires: 1966-08-22
Abstract
No abstract record available.
Inventors
- 👤 Balthis Joseph Hendrickson
- 👤 Signaigo Frank Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:13
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/51; D06M11/55; D06M11/56; D01; D01F; D01F11/00; D01F11/02; D01F2/00; D01F2/24; D01F2/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR PRODUCING A LUSTROUS REGENERATED CELLULOSIC PRODUCT WHICH COMPRISES IMPREGNATING A REGENERATED CELLULOSIC MATERIAL WITH A WATER-SOLUBLE TITANIUM COMPOUND, REMOVING SUPERFICIAL IMPREGNANT THEREFROM BY THOROUGHLY RINSING WITH A SOLUTION OF A STRAIGHT CHAIN WATERSOLUBLE ALIPHATIC ALCOHOL, AND THEN PRECIPITATING A DELUSTERING CONCENTRATION OF A WATER-INSOLUBLE TITANIUM COMPOUND RANGING FROM 3% TO 20% OF TITANIUM BY WEIGHT WITHIN THE RINSED CELLULOSIC MATERIAL BY REACTING SAID FIRST-MENTIONED TITANIUM COMPOUND WITH AN ALKALINE PRECIPITATING AGENT.
Claim 2
Dependent Claim
74 words
A PROCESS FOR PRODUCING A LUSTROUS REGENERATED CELLULOSIC PRODUCT WHICH COMPRISES IMPREGNATING A REGENERATED CELLULOSIC MATERIAL WITH A WATER-SOLUBLE TITANIUM COMPOUND, REMOVING SUPERFICIAL IMPREGNANT THEREFROM BY THOROUGHLY RINSING WITH A SOLUTION OF A STRAIGHT CHAIN WATERSOLUBLE ALIPHATIC ALCOHOL, AND THEN PRECIPITATING A DELUSTERING CONCENTRATION OF A WATER-INSOLUBLE TITANIUM COMPOUND RANGING FROM 3% TO 20% OF TITANIUM BY WEIGHT WITHIN THE RINSED CELLULOSIC MATERIAL BY REACTING SAID FIRST-MENTIONED TITANIUM COMPOUND WITH AN ALKALINE PRECIPITATING AGENT.
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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |