Patent US5857155A successfully refreshed from Google Patents.
Patent US3106460A successfully refreshed from Google Patents.
US3106460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing organic solvent from wet material
Assignee: Calico Printers Association Ltd
•
Filing: 1960-04-28
•
Granted: 1963-10-08
•
Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Michael J Topham
- 👤 William S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:47
CPC Classifications
D; D06; D06B; D06B9/00; D06B9/06; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y02P70/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A METHOD FOR TREATING TEXTILE WEBS FOR THE PURPOSE OF REMOVING A VOLATILE ORGANIC SOLVENT THEREFROM COMPRISING PASSING UPWARDLY SAID TEXTILE WEB FROM AN ORGANIC SOLVENT BATH, INTO AND THROUGH A FIRST ELONGATED ZONE, SAID BATH BEING A SEAL MEANS FOR ONE END OF SAID FIRST ELONGATED ZONE, THAN PASSING SAID WEB DOWNWARDLY AND THROUGH A SECOND ELONGATED ZONE AND THROUGH AN AQUEOUS BATH, SAID AQUEOUS BATH BEING A SEAL MEANS FOR ONE END OF SAID SECOND ELONGATED ZONE, ANGULARLY IMPINGING STEAM ON BOTH SIDES OF SAID WEB IN SAID SECOND ELONGATED ZONE PRIOR TO PASSING SAID WEB INTO THE AQUEOUS BATH AND OUT OF SAID SECOND ELONGATED ZONE WHEREBY THE ORGANIC SOLVENT IS VAPORIZED FROM SAID WEB PASSING SAID STEAM FROM SAID SECOND ZONE TO SAID FIRST ZONE, AND REMOVING SAID STEAM AND VAPORIZED ORGANIC SOLVENT FROM SAID FIRST ZONE AT A POINT PROXIMATE AND DIRECTLY ABOVE THE SEAL MEANS AT SAID FIRST ELONGATED ZONE.
Claim 2
Independent Claim
156 words
A METHOD FOR TREATING TEXTILE WEBS FOR THE PURPOSE OF REMOVING A VOLATILE ORGANIC SOLVENT THEREFROM COMPRISING PASSING UPWARDLY SAID TEXTILE WEB FROM AN ORGANIC SOLVENT BATH, INTO AND THROUGH A FIRST ELONGATED ZONE, SAID BATH BEING A SEAL MEANS FOR ONE END OF SAID FIRST ELONGATED ZONE, THAN PASSING SAID WEB DOWNWARDLY AND THROUGH A SECOND ELONGATED ZONE AND THROUGH AN AQUEOUS BATH, SAID AQUEOUS BATH BEING A SEAL MEANS FOR ONE END OF SAID SECOND ELONGATED ZONE, ANGULARLY IMPINGING STEAM ON BOTH SIDES OF SAID WEB IN SAID SECOND ELONGATED ZONE PRIOR TO PASSING SAID WEB INTO THE AQUEOUS BATH AND OUT OF SAID SECOND ELONGATED ZONE WHEREBY THE ORGANIC SOLVENT IS VAPORIZED FROM SAID WEB PASSING SAID STEAM FROM SAID SECOND ZONE TO SAID FIRST ZONE, AND REMOVING SAID STEAM AND VAPORIZED ORGANIC SOLVENT FROM SAID FIRST ZONE AT A POINT PROXIMATE AND DIRECTLY ABOVE THE SEAL MEANS AT SAID FIRST ELONGATED ZONE.
References Cited (Backward Citations)
US246547A
Cited
US248479A
Cited
US448888A
Cited
US1861624A
Cited
US1907429A
Cited
GB247997A
Cited
US1905900A
Cited
US2029985A
Cited
US2174170A
Cited
US2304474A
Cited
US2625495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |