US3148936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blending polyolefin with chelating agent to improve dyeability
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-04-12
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Granted: 1964-09-15
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Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Albin F Turbak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:53
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D06P3/795; C; C08; C08K; C08K5/00; C08K5/0091; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/02; D01F6/04; D01F6/06; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/6426; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PROCESS FOR DYEING A POLY ALPHA OLEFIN FIBER WITH A METAL-COMPLEXED DYE COMPRISING THE STEPS OF: (A) BLENDING AN ALPHA OLEFIN POLYMER WITH A CHELATING AGENT HAVING A CHELATE FORMATION CONSTANT OF AT LEAST 1X10**4 WITH THE METAL OF THE METAL-COMPLEXED DYE, (B) FORMING SAID BLENDED POLYMER INTO FIBERS, (C) CONTACTING SAID FIBERS WITH A METAL-COMPLEXED DYE IN THE PRESENCE OF A WATER-SOLUBLE ALKALINE EARTH METAL SALT, SAID DYE CONTAINING NO MORE THAN ONE SULFONIC ACID GROUP AND BEING SELECTED FROM THE CLASS CONSISTING OF: (1) DYES CONTAINING AT LEAST ONE O,O''-DIHYDROXY AZO GROUP, (2) DYES CONTAINING AT LEAST ONE O-CARBOXY, O''HYDROXY AZO GROUP, AND (3) DYES CONTAINING AT LEAST ONE O-AMINO, O''-HYDROXY AZO GROUP; SAID COMPLEXED METAL BEING SELECTED FROM THE GROUP CONSISTING OF NICKEL, COPPER, ALUMINUM, IRON, COBALT, AND CHROMIUM, AND BEING PRESENT IN A MOLE RATIO OF ABOUT 1/1 RELATIVE TO THE DYE.
Claim 2
Dependent Claim
147 words
A PROCESS FOR DYEING A POLY ALPHA OLEFIN FIBER WITH A METAL-COMPLEXED DYE COMPRISING THE STEPS OF: (A) BLENDING AN ALPHA OLEFIN POLYMER WITH A CHELATING AGENT HAVING A CHELATE FORMATION CONSTANT OF AT LEAST 1X10**4 WITH THE METAL OF THE METAL-COMPLEXED DYE, (B) FORMING SAID BLENDED POLYMER INTO FIBERS, (C) CONTACTING SAID FIBERS WITH A METAL-COMPLEXED DYE IN THE PRESENCE OF A WATER-SOLUBLE ALKALINE EARTH METAL SALT, SAID DYE CONTAINING NO MORE THAN ONE SULFONIC ACID GROUP AND BEING SELECTED FROM THE CLASS CONSISTING OF: (1) DYES CONTAINING AT LEAST ONE O,O''-DIHYDROXY AZO GROUP, (2) DYES CONTAINING AT LEAST ONE O-CARBOXY, O''HYDROXY AZO GROUP, AND (3) DYES CONTAINING AT LEAST ONE O-AMINO, O''-HYDROXY AZO GROUP; SAID COMPLEXED METAL BEING SELECTED FROM THE GROUP CONSISTING OF NICKEL, COPPER, ALUMINUM, IRON, COBALT, AND CHROMIUM, AND BEING PRESENT IN A MOLE RATIO OF ABOUT 1/1 RELATIVE TO THE DYE.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |