Patent US2985211A successfully refreshed from Google Patents.
US3192007A
Expired / Lapsed
US
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Blending of polypropylene with unmetallized chelating agent to improve dyeability
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-12-26
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Granted: 1965-06-29
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Albin F Turbak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR DYING A POLY ALPHA OLEFIN FIBER WITH A METALLIZED DYE COMPRISING THE STEPS OF: (A) BLENDING AN ALPHA OLEFIN POLYMER WITH AN UNMETALLIZED CHELATING AGENT HAVING A CHELATE FORMATION CONSTANT OF AT LEAST 1X10**4 WITH THE METAL USED, (B) FORMING SAID BLENDING POLYMER INTO FIBERS, (C) IMMERSING SAID FIBERS IN AN AQUEOUS SOLUTION OF A METALLIZED DYE CONTAINING NO MORE THAN ONE SULFONIC ACID GROUP, SAID DYE BEING SELECTED FROM THE CLASS CONSISTING OF DYES CONTAINING AT LEAST ONE SALICYCLIC ACID FUNCTION, AND DYES CONTAINING AT LEAST ONE O,O''-DIHYDROXY AZO FUNCTION, SAID MEATL BEING SELECTED FROM THE GROUPS CONSISTING OF NICKEL, COPPER, ALUMINUM, IRON, COBALT, AND CHROMIUM.
Claim 2
Dependent Claim
110 words
A PROCESS FOR DYING A POLY ALPHA OLEFIN FIBER WITH A METALLIZED DYE COMPRISING THE STEPS OF: (A) BLENDING AN ALPHA OLEFIN POLYMER WITH AN UNMETALLIZED CHELATING AGENT HAVING A CHELATE FORMATION CONSTANT OF AT LEAST 1X10**4 WITH THE METAL USED, (B) FORMING SAID BLENDING POLYMER INTO FIBERS, (C) IMMERSING SAID FIBERS IN AN AQUEOUS SOLUTION OF A METALLIZED DYE CONTAINING NO MORE THAN ONE SULFONIC ACID GROUP, SAID DYE BEING SELECTED FROM THE CLASS CONSISTING OF DYES CONTAINING AT LEAST ONE SALICYCLIC ACID FUNCTION, AND DYES CONTAINING AT LEAST ONE O,O''-DIHYDROXY AZO FUNCTION, SAID MEATL BEING SELECTED FROM THE GROUPS CONSISTING OF NICKEL, COPPER, ALUMINUM, IRON, COBALT, AND CHROMIUM.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |