Patent US3038820A successfully refreshed from Google Patents.
US3038820A
Expired / Lapsed
US
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Process for imparting a soft feel to textile fibers
Assignee: BASF Schweiz AG
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Filing: 1959-03-23
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Granted: 1962-06-12
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Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Albrecht Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:25
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/13; D06P5/138; C; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2618; C08G65/2621; C08G65/2624; D06M; D06M13/00; D06M13/322; D06M13/372; D06M13/402; D06M13/405; D06M7/00; D06P1/00; D06P1/44; D06P1/60; D06P1/607; D06P1/6073; D06P1/6076; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCES FOR IMPARTING A SOFT FEEL TO ORGANIC TEXTILE FIBERS WHICH COMPRISES TREATING SAID FIBERS WITH AN AQUEOUS SOLUTION OF A COMPOUND WHICH IN ITS FREE BASE STATE IS A REACTION PRODUCT OF 10-25 MOLS OF ETHYLENE OXIDE AND 1 MOL OF AN N-ACYLATED ALKYLENE POLYAMINE WHICH CORRESPONDS TO THE FORMULA
Claim 2
Dependent Claim
52 words
A PROCES FOR IMPARTING A SOFT FEEL TO ORGANIC TEXTILE FIBERS WHICH COMPRISES TREATING SAID FIBERS WITH AN AQUEOUS SOLUTION OF A COMPOUND WHICH IN ITS FREE BASE STATE IS A REACTION PRODUCT OF 10-25 MOLS OF ETHYLENE OXIDE AND 1 MOL OF AN N-ACYLATED ALKYLENE POLYAMINE WHICH CORRESPONDS TO THE FORMULA
References Cited (Backward Citations)
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US2201041A
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US2340881A
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US2596985A
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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) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |