Patent US168140A successfully refreshed from Google Patents.
Patent US3299485A successfully refreshed from Google Patents.
US3299485A
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Yarn texturing process
Assignee: Monsanto Co
•
Filing: 1963-08-21
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Granted: 1967-01-24
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Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 William H Hills
- 👤 Euell K Mcintosh
- 👤 Jr Kenneth B Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:59
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/20; D02G1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR IMPROVING TUFTING PERFORMANCE OF A LATENT-CRIMPED YARN, COMPRISING IN COMBINATION: (A) APPLYING COLLOIDAL SILICA DISPERSED IN A LIQUID CARRIER TO A YARN HAVING LATENT CRIMPS, AT AN APPLICATION RATE TO DEPOSIT BETWEEN 0.1 AND 5.0 PERCENT SILICA BASED ON THE WEIGHT OF SAID YARN, (B) FEEDING SAID YARN UNDER SUBSTANTIALLY NO TENSION THROUGH A HEATING REGION WHEREIN SAID YARN IS HEATED SUFFICIENTLY TO EVAPORATE SAID CARRIER AND TO DEVELOP THE BULK IN SAID YARN, (C) AND TAKING UP SAID YARN IN ORDERLY FASHION.
Claim 2
Dependent Claim
86 words
A PROCESS FOR IMPROVING TUFTING PERFORMANCE OF A LATENT-CRIMPED YARN, COMPRISING IN COMBINATION: (A) APPLYING COLLOIDAL SILICA DISPERSED IN A LIQUID CARRIER TO A YARN HAVING LATENT CRIMPS, AT AN APPLICATION RATE TO DEPOSIT BETWEEN 0.1 AND 5.0 PERCENT SILICA BASED ON THE WEIGHT OF SAID YARN, (B) FEEDING SAID YARN UNDER SUBSTANTIALLY NO TENSION THROUGH A HEATING REGION WHEREIN SAID YARN IS HEATED SUFFICIENTLY TO EVAPORATE SAID CARRIER AND TO DEVELOP THE BULK IN SAID YARN, (C) AND TAKING UP SAID YARN IN ORDERLY FASHION.
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |