US2890094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing composition and method
Assignee: Jos H Lowenstein & Sons Inc
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Filing: 1955-11-21
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Granted: 1959-06-09
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Expires: 1975-11-21
Abstract
No abstract record available.
Inventors
- 👤 Harold H Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:18
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/30; A61K8/46; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/649; D06P1/6495; D06P1/651; D06P1/65106; D06P1/65118; D06P1/65125; D06P1/653; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/16; D06P3/20; D06P3/30; D06P3/3008; D06P3/3058; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/921; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A DYE COMPOSITION FOR A KERATINOUS FIBRE, SAID COMPOSITION BEING SOLUBLE IN A WATER-CONTAINING SOLVENT, SAID COMPOSITION INCLUDING A SUBSTANTIVE DARKENING DYE FOR SAID FIBER, SAID COMPOSITION ALSO INCLUDING AN ORGANIC MONOMER WHICH IS POLYMERIZABLE TO THERMOPLASTIC STATE SAID MONOMERIC COMPOUND BEING CAPABLE OF BEING POLYMERIZED UNDER POLYMERIZING CONDITIONS, SAID MONOMERIC COMPOUND BEING AN UNSATURATED COMPOUND, THE WEIGHT OF SAID MONOMER BEING AT LEAST TEN TIMES THE WEIGHT OF SAID DYE,SAID DYE BEING A SUBSTANTIVE DYE FOR SAID FIBER AND DARKENING SAID FIBER; IN A WATER-CONTAINING SOLUTION OF SAID COMPOSITION WHOSE PH IS LESS THAN SEVEN, SAID MONOMERIC COMOUND BEING STABLE AND REMAINING UNPOLYMERIZED IN A WATER-CONTAINING SOLSUTION OF SAID DYE COMPOSITION AT A PH OF ONE TO 6.5 IN A CONCENTRATION OF TEN GRAMS TO 100 GRAMS PER LITER OF SAID SOLUTION, WHEN SAID SOLUTION IS HEATED FOR ONE HOUR AT SUBSTANTIALLY 57*C., UNDER NORMAL ATMOSPHERIC PRESSURE OF 760 MILLIMETERS OF MERCURY, SAID SOLUTION PENETRATING SUBSTANTIALLY THE ENTIRE THICKNESS OF SAID FIBER AND DARKENING SAID FIBER THROUGH SUBSTANTIALLY ITS ENTIRE THICKNESS, SAID MONOMERIC COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLATE, ITACONIC ACID, N-VINYL PYRROLIDONE AND ALLYL ALCOHOL.
Claim 2
Dependent Claim
192 words
A DYE COMPOSITION FOR A KERATINOUS FIBRE, SAID COMPOSITION BEING SOLUBLE IN A WATER-CONTAINING SOLVENT, SAID COMPOSITION INCLUDING A SUBSTANTIVE DARKENING DYE FOR SAID FIBER, SAID COMPOSITION ALSO INCLUDING AN ORGANIC MONOMER WHICH IS POLYMERIZABLE TO THERMOPLASTIC STATE SAID MONOMERIC COMPOUND BEING CAPABLE OF BEING POLYMERIZED UNDER POLYMERIZING CONDITIONS, SAID MONOMERIC COMPOUND BEING AN UNSATURATED COMPOUND, THE WEIGHT OF SAID MONOMER BEING AT LEAST TEN TIMES THE WEIGHT OF SAID DYE,SAID DYE BEING A SUBSTANTIVE DYE FOR SAID FIBER AND DARKENING SAID FIBER; IN A WATER-CONTAINING SOLUTION OF SAID COMPOSITION WHOSE PH IS LESS THAN SEVEN, SAID MONOMERIC COMOUND BEING STABLE AND REMAINING UNPOLYMERIZED IN A WATER-CONTAINING SOLSUTION OF SAID DYE COMPOSITION AT A PH OF ONE TO 6.5 IN A CONCENTRATION OF TEN GRAMS TO 100 GRAMS PER LITER OF SAID SOLUTION, WHEN SAID SOLUTION IS HEATED FOR ONE HOUR AT SUBSTANTIALLY 57*C., UNDER NORMAL ATMOSPHERIC PRESSURE OF 760 MILLIMETERS OF MERCURY, SAID SOLUTION PENETRATING SUBSTANTIALLY THE ENTIRE THICKNESS OF SAID FIBER AND DARKENING SAID FIBER THROUGH SUBSTANTIALLY ITS ENTIRE THICKNESS, SAID MONOMERIC COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLATE, ITACONIC ACID, N-VINYL PYRROLIDONE AND ALLYL ALCOHOL.
References Cited (Backward Citations)
US2501184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |