Patent US3012905A successfully refreshed from Google Patents.
US3012905A
Expired / Lapsed
US
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Process of reducing static electricity in polyamide fibers and the like products
Assignee: Individual
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Filing: 1957-09-25
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Granted: 1961-12-12
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Expires: 1977-09-25
Abstract
No abstract record available.
Inventors
- 👤 Tillisch Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:50
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/345; D06M13/10; D06M13/12; D06M13/123; D06M13/184; D06M13/188; D06M13/224; D06M13/228; D06M15/00; D06M15/19; D06M15/21; D06M15/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A PROCESS OF REDUCING STATIC ELECTRICITY IN POLYAMIDE FIBERS, FILMS, AND THE LIKE MOLDED PRODUCTS, THE STEP WHICH CONSISTS IN EXPOSING THE POLYAMIDE PRODUCT TO THE ACTION OF A STATIC ELIMINATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROXY ALDEHYDES, POLYALDEHYDES, ALDEHYDO CARBOXYLIC ACIDS, HYDRINS, NITRILES, ORGANIC TANNING MATERIALS, AND B-PROPIOLACTONE, AT A TEMPERATURE AND FOR A PERIOD OF TIME SUFFICIENT TO SUBSTANTIALLY REDUCE TRIBO-ELECTRIFICATION OF THE POLYAMIDE PRODUCT WITHOUT SUBSTANTIALLY ADVERSELY AFFECTING THE PROPERTIES OF THE TREATED POLYAMIDE PRODUCT.
Claim 2
Dependent Claim
81 words
IN A PROCESS OF REDUCING STATIC ELECTRICITY IN POLYAMIDE FIBERS, FILMS, AND THE LIKE MOLDED PRODUCTS, THE STEP WHICH CONSISTS IN EXPOSING THE POLYAMIDE PRODUCT TO THE ACTION OF A STATIC ELIMINATING COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROXY ALDEHYDES, POLYALDEHYDES, ALDEHYDO CARBOXYLIC ACIDS, HYDRINS, NITRILES, ORGANIC TANNING MATERIALS, AND B-PROPIOLACTONE, AT A TEMPERATURE AND FOR A PERIOD OF TIME SUFFICIENT TO SUBSTANTIALLY REDUCE TRIBO-ELECTRIFICATION OF THE POLYAMIDE PRODUCT WITHOUT SUBSTANTIALLY ADVERSELY AFFECTING THE PROPERTIES OF THE TREATED POLYAMIDE PRODUCT.
References Cited (Backward Citations)
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US2317728A
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US2745770A
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US2729577A
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US2808346A
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |