Patent US3075822A successfully refreshed from Google Patents.
US3075822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing wool and cellulosic
Assignee: —
•
Filing: —
•
Granted: 1963-01-29
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Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:27
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/12; D06P1/00; D06P1/38; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/24; D06P3/58; D06P3/60; D06P3/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
PROCESS FOR SIMULTANEOUSLY DYEING WOOL WITH A WOOL DYESTUFF AND CELLULOSE FIBRES WITH A DIRECT DYESTUFF FROM THE SAME DYEBATH, WHICH COMPRISES CARRYING OUT THE DYEING OPERATION IN A BATH WHICH CONTAINS A QOOL IMMUNIZING AGENT HAVING AN AFFINITY FOR THE WOOL AND HEXAMETHYLENE-TETRAMINE AND WHICH HAS AN ACID REACTION AT LEAST AT THE BEGINING OF THE DYEING OPERATION; THE QUANTITY, CALCALATED ON THE WEIGHT OF THE FIBER MATERIAL, OF THE WOOL IMMUNIZING AGENT BEING AT LEAST 0.3% AND AT MOST 3%, AND THE QUANTITY OF HEXAMETHYLENE TETRAMINE BEING AT LEAST 0.15% AND AT MOST 15%.
Claim 2
Dependent Claim
96 words
PROCESS FOR SIMULTANEOUSLY DYEING WOOL WITH A WOOL DYESTUFF AND CELLULOSE FIBRES WITH A DIRECT DYESTUFF FROM THE SAME DYEBATH, WHICH COMPRISES CARRYING OUT THE DYEING OPERATION IN A BATH WHICH CONTAINS A QOOL IMMUNIZING AGENT HAVING AN AFFINITY FOR THE WOOL AND HEXAMETHYLENE-TETRAMINE AND WHICH HAS AN ACID REACTION AT LEAST AT THE BEGINING OF THE DYEING OPERATION; THE QUANTITY, CALCALATED ON THE WEIGHT OF THE FIBER MATERIAL, OF THE WOOL IMMUNIZING AGENT BEING AT LEAST 0.3% AND AT MOST 3%, AND THE QUANTITY OF HEXAMETHYLENE TETRAMINE BEING AT LEAST 0.15% AND AT MOST 15%.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |