US3242000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnated carbonized acrylic textile product and method for producing same
Assignee: Deering Milliken Research Corp
•
Filing: 1963-08-30
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Granted: 1966-03-22
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Jack A Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:01
CPC Classifications
D; D01; D01F; D01F11/00; D01F11/10; D01F11/12; D01F11/14; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/16; D01F9/20; D01F9/21; D01F9/22; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10S428/00; Y10S428/92; Y10S8/00; Y10S8/01; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31938; Y10T442/00; Y10T442/20; Y10T442/2033; Y10T442/2631; Y10T442/2664; Y10T442/2861; Y10T442/2885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD FOR THE PREPARATION OF CARBONIZED TEXTILE MATERIALS HAVING IMPROVED ELONGATION PROPERTIES COMPRISING IMPREGNATING AN ACRYLIC FIBER TEXTILE MATERIAL WITH A SOLUTION CONTAINING AT LEAST ONE COMPOUND HAVING A REFRACTORY METAL CATION SAID IMPREGNATING OPERATION BEING CONDUCTED IN A MANNER SUCH THAT A PICKUP OF FROM ABOUT 1% BY WEIGHT TO ABOUT 100% BY WEIGHT BASED ON THE DRY WEIGHT OF THE FABRIC IS OBTAINED AND THEN CARBONIZING THE IMPREGNATED MATERIAL IN AN ATMOSPHERE CONTAINING AT LEAST SOME OXYGEN AT A TEMPERATURE OF FROM ABOUT 300* C. TO ABOUT 3000*C.
Claim 2
Independent Claim
91 words
A METHOD FOR THE PREPARATION OF CARBONIZED TEXTILE MATERIALS HAVING IMPROVED ELONGATION PROPERTIES COMPRISING IMPREGNATING AN ACRYLIC FIBER TEXTILE MATERIAL WITH A SOLUTION CONTAINING AT LEAST ONE COMPOUND HAVING A REFRACTORY METAL CATION SAID IMPREGNATING OPERATION BEING CONDUCTED IN A MANNER SUCH THAT A PICKUP OF FROM ABOUT 1% BY WEIGHT TO ABOUT 100% BY WEIGHT BASED ON THE DRY WEIGHT OF THE FABRIC IS OBTAINED AND THEN CARBONIZING THE IMPREGNATED MATERIAL IN AN ATMOSPHERE CONTAINING AT LEAST SOME OXYGEN AT A TEMPERATURE OF FROM ABOUT 300* C. TO ABOUT 3000*C.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |