Patent BE469982A successfully refreshed from Google Patents.
US3098697A
Expired / Lapsed
US
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Dichloroethane
Assignee: —
•
Filing: —
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Granted: 1963-07-23
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Expires: 1980-07-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08F; C08F18/00; C08F18/02; C08F18/12; C08G; C08G73/00; C08G73/02; C08G73/0206; C08L23/10; C08L23/12; C08L63/00; C08L75/00; C08L77/00; D; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/02; D01F6/04; D01F6/06; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/55; D06P; D06P3/00; D06P3/79; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A PROCESS FOR PREPARING POLYILEFIN FIBRES OF IMPROVED DYE RECEPTIVITY BY THE EXTRUSION OF POLYOLEFINS, THE IMPROVEMENT WHICH COMPRISES ADMIXING AT LEAST ONE POLYOLEFIN PRIOR TO EXTRUSION WITH 0.5 TO 25%, BASED ON THE WEIGHT OF THE POLYOLEFIN, OF A BASIC NITROGEN-CONTAINING CONDENSATION PRODUCT OBTAINED FROM DICHLOROETHANE OF POLYAND 0.01 MOL TO 2.5 MOLS PER MOL OF DICHLOROETHANE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYFUNCTIONAL AMINES AND AMMONIA, AND EXTRUDING THE RESULTING MIXTURE TO PRODUCE THE FIBRE.
Claim 2
Dependent Claim
81 words
IN A PROCESS FOR PREPARING POLYILEFIN FIBRES OF IMPROVED DYE RECEPTIVITY BY THE EXTRUSION OF POLYOLEFINS, THE IMPROVEMENT WHICH COMPRISES ADMIXING AT LEAST ONE POLYOLEFIN PRIOR TO EXTRUSION WITH 0.5 TO 25%, BASED ON THE WEIGHT OF THE POLYOLEFIN, OF A BASIC NITROGEN-CONTAINING CONDENSATION PRODUCT OBTAINED FROM DICHLOROETHANE OF POLYAND 0.01 MOL TO 2.5 MOLS PER MOL OF DICHLOROETHANE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYFUNCTIONAL AMINES AND AMMONIA, AND EXTRUDING THE RESULTING MIXTURE TO PRODUCE THE FIBRE.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |