US3069220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing polyolefins
Assignee: Honeywell International Inc
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Filing: 1960-01-28
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Granted: 1962-12-18
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Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Ross R Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:11
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/928; Y; Y10; Y10S; Y10S8/00; Y10S8/907; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE PROCESS FOR DYEING NORMALLY SOLID POLYMERS OF OLEFINS HAVING FROM 2 TO 3 CARBON ATOMS INCLUSIVE, WHICH COMPRISES FORMING A SOLUTION OF A WATER-INSOLUBLE ORGANIC DYESTUFF HAVING AFFINITY FOR THE OLEFIN POLYMER, IN A WATER-MISCIBLE LIQUID SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND ALKYL ETHERS OF POLYHYDRIC ALCOHOLS HAVING BOILING POINTS BETWEEN ABOUT 125*C. AND ABOUT 300*C., PRECIPITATING SAID DYESTUFF FROM SAID SOLUTION BY DILUTION WITH SUFFICIENT WATER IN THE PRESENCE OF A SURFACE ACTIVE AGENT, TO PRODUCE A DISPERSION CONTAINING NOT MORE THAN ABOUT 20% OF SAID WATER-MISCIBLE LIQUID, AND THEREAFTER CONTACTING THE SOLID OLEFIN POLYMER AT A TEMPERATURE BELOW ITS FUSION POINT WITH THE RESULTING DISPERSION OF WATER-INSOLUBLE DYESTUFF.
Claim 2
Dependent Claim
114 words
THE PROCESS FOR DYEING NORMALLY SOLID POLYMERS OF OLEFINS HAVING FROM 2 TO 3 CARBON ATOMS INCLUSIVE, WHICH COMPRISES FORMING A SOLUTION OF A WATER-INSOLUBLE ORGANIC DYESTUFF HAVING AFFINITY FOR THE OLEFIN POLYMER, IN A WATER-MISCIBLE LIQUID SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND ALKYL ETHERS OF POLYHYDRIC ALCOHOLS HAVING BOILING POINTS BETWEEN ABOUT 125*C. AND ABOUT 300*C., PRECIPITATING SAID DYESTUFF FROM SAID SOLUTION BY DILUTION WITH SUFFICIENT WATER IN THE PRESENCE OF A SURFACE ACTIVE AGENT, TO PRODUCE A DISPERSION CONTAINING NOT MORE THAN ABOUT 20% OF SAID WATER-MISCIBLE LIQUID, AND THEREAFTER CONTACTING THE SOLID OLEFIN POLYMER AT A TEMPERATURE BELOW ITS FUSION POINT WITH THE RESULTING DISPERSION OF WATER-INSOLUBLE DYESTUFF.
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |