US3215487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articles having improved tinctorial properties and method of preparing same
Assignee: Montedison SpA
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Filing: 1963-05-22
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Granted: 1965-11-02
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Cappuccio Vittorio
- 👤 Corso Calogero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:29
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/22; C; C08; C08K; C08K5/00; C08K5/16; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L77/00; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P3/00; D06P3/79; C08L79/00; C08L79/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PROCESS FOR RENDERING MORE DYE RECEPTIVE TEXTILE FIBRES OBTAINED BY THE EXTRUSION OF A MIXTURE OF A SYNTHETIC POLYMER WITH A BASIC NITROGEN SUBSTANCE WHICH FUNCTIONS AS A TINCTORIAL MODIFIER, SAID PROCESS COMPRISING TREATING SAID FIBRES WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOGLYCIDYL AMINES, DIGLYCIDYL AMINES, CHLOROHYDROXYPROPYL AMINES AND DI(CHLOROHYDROXYPROPYL) AMINES, SAID AMINES BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, AROMATIC, AND HETEROCYCLIC AMINES.
Claim 2
Dependent Claim
69 words
A PROCESS FOR RENDERING MORE DYE RECEPTIVE TEXTILE FIBRES OBTAINED BY THE EXTRUSION OF A MIXTURE OF A SYNTHETIC POLYMER WITH A BASIC NITROGEN SUBSTANCE WHICH FUNCTIONS AS A TINCTORIAL MODIFIER, SAID PROCESS COMPRISING TREATING SAID FIBRES WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOGLYCIDYL AMINES, DIGLYCIDYL AMINES, CHLOROHYDROXYPROPYL AMINES AND DI(CHLOROHYDROXYPROPYL) AMINES, SAID AMINES BEING SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC, AROMATIC, AND HETEROCYCLIC AMINES.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |