Patent DE451547C successfully refreshed from Google Patents.
US2897170A
Expired / Lapsed
US
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Antistatic treatment with a quaternary ammonium compound containing a polyetheneoxy grouping and products thereof
Assignee: Wyeth Holdings LLC
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Filing: 1954-04-09
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Granted: 1959-07-28
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Expires: 1974-04-09
Abstract
No abstract record available.
Inventors
- 👤 Arnold H Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/19; D; D06; D06M; D06M13/00; D06M13/322; D06M13/368; D06M13/372; D06M13/46; D06M13/463; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S524/00; Y10S524/91; Y10S524/911; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2967; Y10T428/31504; Y10T428/31855; Y10T428/31935; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31986; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2459
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A WATR-INSOLUBLE, ORGANIC ARTICLE WHICH IN A DRY STATE NORMALLY HAS A TENDENCY TO ACCUMULATE STATIC CHARGES OF ELECTRICITY THEREON, SIAD ARTICLE HAVING DEPOSITED AT LEAST ON OUTER SURFACES THSEREOF AN ANTISTIATIC COMPOSITION COMPRISING A QUATERNARY AMMONIUM COMPOUND REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
43 words
A WATR-INSOLUBLE, ORGANIC ARTICLE WHICH IN A DRY STATE NORMALLY HAS A TENDENCY TO ACCUMULATE STATIC CHARGES OF ELECTRICITY THEREON, SIAD ARTICLE HAVING DEPOSITED AT LEAST ON OUTER SURFACES THSEREOF AN ANTISTIATIC COMPOSITION COMPRISING A QUATERNARY AMMONIUM COMPOUND REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |