US3361843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of dyeing a blend of a polyolefin and a nitrogen containing polymer by using a dyebath containing lewis acids
Assignee: Uniroyal Inc
•
Filing: 1964-06-15
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Granted: 1968-01-02
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Miller Robert
- 👤 Frederick C Loveless
- 👤 Farber Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/22; C; C08; C08L; C08L23/00; C08L23/02; C08L57/00; C08L57/02; C08L77/00; D06P3/00; D06P3/79; D06P3/791; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922; Y10S8/93
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SHAPED ARTICLE OF COMMERCE WHICH IS READILY DYEABLE WITH ACID TYPE DYES CONSISTING ESSENTIALLY OF A COMPOSITION OF A FIBER-FORMING ALPHA-MONO-OLEFIN POLYMER, BETWEEN ABOUT 0.5% AND 10% OF A THERMOPLASTIC, NITROGEN-CONTAINING BASIC POLYMER HAVING A BASIC IONIZATION CONSTANT GREATER THAN 10-14, AND WHICH, IN THE CASE OF VINYL-SUBSTITUTED MONO-AND POLYCYCLIC PYRIDINE POLYMERS IS NON-STEREOREGULAR, AND THE PRODUCTS OF INTERACTON OF SAID BASIC POLLYMER WITH AN ACIDIC REAGENT CAPABLE OF REACTING WITH SAID BASIC POLYMER AT LEAST TO THE EXTENT ATTAINED WHEN THE ACIDIC REAGENT IS 20% ACETIC ACID AND SELECTED FROM THE GROUP CONSISTING OF LEWIS ACIDS AND LEWIS ACID GENERATING MATERIALS, THE ACIDIC REAGENT HAVING BEEN APPLIED AND INFUSED INTO THE ALPHA-MONO-OLEFIN POLYMER BLEND AFTER SHAPING AND BEFORE DYEING.
Claim 2
Dependent Claim
121 words
A SHAPED ARTICLE OF COMMERCE WHICH IS READILY DYEABLE WITH ACID TYPE DYES CONSISTING ESSENTIALLY OF A COMPOSITION OF A FIBER-FORMING ALPHA-MONO-OLEFIN POLYMER, BETWEEN ABOUT 0.5% AND 10% OF A THERMOPLASTIC, NITROGEN-CONTAINING BASIC POLYMER HAVING A BASIC IONIZATION CONSTANT GREATER THAN 10-14, AND WHICH, IN THE CASE OF VINYL-SUBSTITUTED MONO-AND POLYCYCLIC PYRIDINE POLYMERS IS NON-STEREOREGULAR, AND THE PRODUCTS OF INTERACTON OF SAID BASIC POLLYMER WITH AN ACIDIC REAGENT CAPABLE OF REACTING WITH SAID BASIC POLYMER AT LEAST TO THE EXTENT ATTAINED WHEN THE ACIDIC REAGENT IS 20% ACETIC ACID AND SELECTED FROM THE GROUP CONSISTING OF LEWIS ACIDS AND LEWIS ACID GENERATING MATERIALS, THE ACIDIC REAGENT HAVING BEEN APPLIED AND INFUSED INTO THE ALPHA-MONO-OLEFIN POLYMER BLEND AFTER SHAPING AND BEFORE DYEING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |