US2929731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for mixing coloring material with viscose
Assignee: Akzona Inc
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Filing: 1957-04-25
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Granted: 1960-03-22
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Expires: 1977-04-25
Abstract
No abstract record available.
Inventors
- 👤 Vries Gerard De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:37
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; D01D1/065; B; B01; B01F; B01F35/00; B01F35/71; B01F35/712; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR DISPERSING A COLORING MATERIAL UNIFORMLY THROUGHOUT A VISCOSE SPINNING SOLUTION WHICH COMPRISES SUPPLYING A VISCOSE SOLUTION TO AN INPUT ZONE, DIVIDING THE FLOW OF SOLUTION AND PASSING THE MAJOR PORTION DIRECTLY TO A PRINCIPAL MIXING ZONE, BY-PASSING THE MINOR PORTION AND PROPELLING THE SAME TO A COLOR SUSPENSION ADIT ZONE WHILE SUPPLYING A CONSTAST AMOUNT OF A COLOR SUSPENSION TO SAID ADIT ZONE WHEREIN THE MINOR PORTION IS PREMIXED WITH THE SUSPENSION IN SUBSTANTIALLY THE SAME CONCENTRATION, POSITIVELY WITHDRAWING THE MIXTURE FROM THE ADIT ZONE AT A HIGHER RATE THAN THE MINOR PORTION IS PROPELLED THERETO PRIOR TO ENTRY IN THE ADIT
Claim 2
Dependent Claim
105 words
A PROCESS FOR DISPERSING A COLORING MATERIAL UNIFORMLY THROUGHOUT A VISCOSE SPINNING SOLUTION WHICH COMPRISES SUPPLYING A VISCOSE SOLUTION TO AN INPUT ZONE, DIVIDING THE FLOW OF SOLUTION AND PASSING THE MAJOR PORTION DIRECTLY TO A PRINCIPAL MIXING ZONE, BY-PASSING THE MINOR PORTION AND PROPELLING THE SAME TO A COLOR SUSPENSION ADIT ZONE WHILE SUPPLYING A CONSTAST AMOUNT OF A COLOR SUSPENSION TO SAID ADIT ZONE WHEREIN THE MINOR PORTION IS PREMIXED WITH THE SUSPENSION IN SUBSTANTIALLY THE SAME CONCENTRATION, POSITIVELY WITHDRAWING THE MIXTURE FROM THE ADIT ZONE AT A HIGHER RATE THAN THE MINOR PORTION IS PROPELLED THERETO PRIOR TO ENTRY IN THE ADIT
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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |