US3154429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing an antistatic finish on synthetic fibers
Assignee: BASF Schweiz AG
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Filing: 1960-11-03
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Granted: 1964-10-27
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Expires: 1980-11-03
Abstract
No abstract record available.
Inventors
- 👤 Albrecht Valerie
- 👤 Berger Alfred
- 👤 Hofmann Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:28
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/385; C; C09; C09K; C09K3/00; C09K3/16; D06M13/325; D06M13/332; D06M15/00; D06M15/19; D06M15/37; D06M15/53; D06M15/55; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2221; Y10T442/2246; Y10T442/2418; Y10T442/2434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS FOR PRODUCING A WASH-PROOF ANTISTATIC FINISH ON ORGANIC HYDROPHOBIC SYNTHETIC FIBERS WHICH COMPRISES IMPREGNATING SAID FIBERS WITH AN AQUEOUS PREPARAION CONTAINING, AS THE ONLY ACTIVE INGREDIENTS, PER 1000 PARTS BY WEIGHT OF WATER, (A) 3 TO 25 PARTS BY WEIGHT OF A WATER-SOLUBLE DIGLYCIDYL ETHER OF A POLYETHYLENE GLYCOL HAVING AVERAGE MOLECULAR WEIGHT OF 300 TO 1500, WHICH DIGLYCIDYL ETHER CONTAINS 0.75 TO 4.5 EPOXIDE EQUIVALENTS PER KG., AS SUCH AND (B) 0.4 TO 15 PARTS BY WEIGHT OF A WATER-SOLUBLE AMINE, SQUEEZING THE FIBERS TO SUCH AN EXTENT THAT FROM ABOUT 0.5 TO 2 PERCENT BY WEIGHT OF SOLIDS, CALCULATED ON THE WEIGHT OF THE DRY FIBROUS MATERIAL, ARE DEPOSITED, DRYING THE IMPREGNATED FIBERS AND CURING THE IMPREGNATED MATERIAL AT A TEMPERATURE SUFFICIENT TO CONVERT THE DIGLYCIDYL ETHER TO THE WATER-INSOLUBLE STATE.
Claim 2
Dependent Claim
135 words
A PROCESS FOR PRODUCING A WASH-PROOF ANTISTATIC FINISH ON ORGANIC HYDROPHOBIC SYNTHETIC FIBERS WHICH COMPRISES IMPREGNATING SAID FIBERS WITH AN AQUEOUS PREPARAION CONTAINING, AS THE ONLY ACTIVE INGREDIENTS, PER 1000 PARTS BY WEIGHT OF WATER, (A) 3 TO 25 PARTS BY WEIGHT OF A WATER-SOLUBLE DIGLYCIDYL ETHER OF A POLYETHYLENE GLYCOL HAVING AVERAGE MOLECULAR WEIGHT OF 300 TO 1500, WHICH DIGLYCIDYL ETHER CONTAINS 0.75 TO 4.5 EPOXIDE EQUIVALENTS PER KG., AS SUCH AND (B) 0.4 TO 15 PARTS BY WEIGHT OF A WATER-SOLUBLE AMINE, SQUEEZING THE FIBERS TO SUCH AN EXTENT THAT FROM ABOUT 0.5 TO 2 PERCENT BY WEIGHT OF SOLIDS, CALCULATED ON THE WEIGHT OF THE DRY FIBROUS MATERIAL, ARE DEPOSITED, DRYING THE IMPREGNATED FIBERS AND CURING THE IMPREGNATED MATERIAL AT A TEMPERATURE SUFFICIENT TO CONVERT THE DIGLYCIDYL ETHER TO THE WATER-INSOLUBLE STATE.
References Cited (Backward Citations)
US2903381A
Cited
US2965517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |