US3018154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored aromatic polyester material and process of making same
Assignee: Honeywell International Inc
•
Filing: 1959-09-24
•
Granted: 1962-01-23
•
Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 John F Downey
- 👤 Robert C Hoare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:28
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/56; C09B1/58; C09B1/585
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
23 words
AROMATIC POLYESTER MATERIAL OF HE POLALKYLENE TEREPHTHALATE TYPE COLORED WITH AN ANTHRAQUINONE MONOARYLITHIOETHER SELECTED FROM THE GROUP CONSISTING OF AMONO-ARYLTHIOETHERS HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
AROMATIC POLYESTER MATERIAL OF HE POLALKYLENE TEREPHTHALATE TYPE COLORED WITH AN ANTHRAQUINONE MONOARYLITHIOETHER SELECTED FROM THE GROUP CONSISTING OF AMONO-ARYLTHIOETHERS HAVING THE FORMULA
Claim 3
Dependent Claim
33 words
A PROCESS FOR COLORING AN AROMATIC POLYESTER OF THE POLYALKYLENE TEREPHTHALATE TYPE WHICH COMPRISES APPLYING TO THE POLYESTER AN AQUEOUS DISPERSION OF AN ANTHRAQUINONE MONO-ARYLGHIOETHER SELECTED FROM THE GROUP DEFINED IN CLAIM 1.
References Cited (Backward Citations)
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US1062990A
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US1710992A
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US2109464A
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US2640062A
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US2640061A
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US2773071A
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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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |