US3034847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing polyethylene terephthalate films with hot disperse dye-organic solvent mixture
Assignee: EIDP Inc
•
Filing: 1957-10-01
•
Granted: 1962-05-15
•
Expires: 1977-10-01
Abstract
No abstract record available.
Inventors
- 👤 Chapman Aurelius Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:19
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/922; D06P1/926; D06P1/928; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS FOR DYEING POLYTHYLENE TEREPHTHALATE FILM WHICH COMPRISES COARING THE SURFACES OF POLYETHYLENE TEREPHTHALATE FILM WITH A HOMOGENOUS COMPOSITION COMPRISING ESSENTIALLY A DISPERSED TYPE DYE UNIFORMLY DISTRIBUTED IN AN ORGANIC LIQUID SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYLL KETONE, BENZYL ALCOHOL, TOLUENE, METHYL ISOBUTYL KETONE, ANNISOLE, ETHYL ACETATE, CYCLOHEXANONE, AND A MIXTURE OF DIMETHYL ACETAMIDE AND METHYL ETHYL KETONE, WHICH UNIFORMLY ADHERES IN THE FORM OF A CONTINUOUS FILM TO THE SURFACE OF POLYETHYLENETEREPHTHALATE FILM, AND THEREAFTER HEATING THE COATED FILM AT A TEMPERATURE OF FROM 150%C. FOR A PERIOD OF TIME SUFFICIENT TO CAUSE THE DYE TO PENETRATE THE SURFACE OF THE FILM.
Claim 2
Dependent Claim
106 words
A PROCESS FOR DYEING POLYTHYLENE TEREPHTHALATE FILM WHICH COMPRISES COARING THE SURFACES OF POLYETHYLENE TEREPHTHALATE FILM WITH A HOMOGENOUS COMPOSITION COMPRISING ESSENTIALLY A DISPERSED TYPE DYE UNIFORMLY DISTRIBUTED IN AN ORGANIC LIQUID SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYLL KETONE, BENZYL ALCOHOL, TOLUENE, METHYL ISOBUTYL KETONE, ANNISOLE, ETHYL ACETATE, CYCLOHEXANONE, AND A MIXTURE OF DIMETHYL ACETAMIDE AND METHYL ETHYL KETONE, WHICH UNIFORMLY ADHERES IN THE FORM OF A CONTINUOUS FILM TO THE SURFACE OF POLYETHYLENETEREPHTHALATE FILM, AND THEREAFTER HEATING THE COATED FILM AT A TEMPERATURE OF FROM 150%C. FOR A PERIOD OF TIME SUFFICIENT TO CAUSE THE DYE TO PENETRATE THE SURFACE OF THE FILM.
References Cited (Backward Citations)
US2474088A
Cited
US2609269A
Cited
US2636420A
Cited
US2532437A
Cited
US2593405A
Cited
US2663612A
Cited
US2663613A
Cited
GB735171A
Cited
FR1095941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |