Patent US3086835A successfully refreshed from Google Patents.
US3086835A
Expired / Lapsed
US
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Process of increasing the tensile strength of cyanoethylated cotton textile fibers by soaking in specific chemicals and products produced thereby
Assignee: Wyeth Holdings LLC
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Filing: 1955-06-30
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Granted: 1963-04-23
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Rapoport Lorence
- 👤 James R Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:37
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/345; D06M13/348; D06M11/00; D06M11/51; D06M11/55; D06M11/56; D06M11/58; D06M11/64; D06M13/10; D06M13/144; D06M13/148; Y; Y10; Y10S; Y10S8/00; Y10S8/13
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
50 words
THE PROCESS OF TREATING CYANOETHYLATED COTTON TEXTILE FIBERS HAVING A DEGREE OF CYANOETHYLATION CORRESPONDING TO A NITROGEN CONTENT OF FROM ABOUT 3 PERCENT TO ABOUT 4 1/2 PERCENT WHICH CONSISTS ESSENTIALLY OF SOAKING SAID FIBERS WITNH ETHYLENE GLYCOL FOR A PERIOD SUFFICIENT TO INCREASE THE TENSILE STRENGTH OF THE FIBERS.
Claim 2
Dependent Claim
50 words
THE PROCESS OF TREATING CYANOETHYLATED COTTON TEXTILE FIBERS HAVING A DEGREE OF CYANOETHYLATION CORRESPONDING TO A NITROGEN CONTENT OF FROM ABOUT 3 PERCENT TO ABOUT 4 1/2 PERCENT WHICH CONSISTS ESSENTIALLY OF SOAKING SAID FIBERS WITNH ETHYLENE GLYCOL FOR A PERIOD SUFFICIENT TO INCREASE THE TENSILE STRENGTH OF THE FIBERS.
Claim 3
Dependent Claim
54 words
THE PROCESS OF TREATING CYANOETHYLATED COTTON TEXTILE FIBERS HAVING A DEGREE OF CYANOETHYLATION CORRESPONDING TO A NITROGEN CONTENT OF FROM ABOUT 3 PERCENT TO ABOUT 4 1/2 PERCENT WHICH CONSISTS ESSENTIALLY OF SOAKING SAID FIBERS WITH A DILUTE AQUEOUS COPPER SULFATE SOLUTION FOR A PERIOD SUFFICIENT TO INCREASE THE TENSILE STRENGTH OF THE FIBERS.
Claim 4
Dependent Claim
54 words
THE PROCESS OF TREATING CYANOETHYLATED COTTON TEXTILE FIBERS HAVING A DEGREE OF CYANOETHYLATION CORRESPONDING TO A NITROGEN CONTENT OF FROM ABOUT 3 PERCENT TO ABOUT 4 1/2 PERCENT WHICH CONSISTS ESSENTIALLY OF SOAKING SAID FIBERS WITH A DILUTE AQUEOUS COPPER SULFATE SOLUTION FOR A PERIOD SUFFICIENT TO INCREASE THE TENSILE STRENGTH OF THE FIBERS.
References Cited (Backward Citations)
GB324662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |