US3134686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Durable antistatic finish and process for applying same
Assignee: Wyeth Holdings LLC
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Filing: 1962-04-19
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Granted: 1964-05-26
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Robert L Baechtold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10S428/00; Y10S428/922; Y10T; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2459
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PROCESS FOR IMPARTING A DURABLE ANTI-STATIC FINISH TO SYNTHETIC HYDROPHOBIC TEXTILE MATERIALS SUBJECT TO THE ACCUMULATION OF STATIC ELECTRICITY WHICH COMPRISES APPLYING THERETO A POLYMER SELECTED FROM THE GROUP CONSISTING OF A POLYMER FORMED FROM AN ALKALI METAL ETHYLENESULFONATE AND AN ALKALI METAL ALLYLSULFONATE AND MIXTURES THEREOF AND AN ACYLAMIDE, IN WHICH POLYMER OF SULFONATE AND ACRYLAMIDE ARE PRESENT IN MOLAR RATIO OF FROM .3:1 TO 3:1, RESPECTIVELY, AND A CROSS-LINKING AGENT,SAID POLYMER BEING APPLIED IN AN AMOUNT OF FROM BETWEEN ABOUT 0.25 TO ABOUT 4% BASED ON THE DRY WEIGHT OF THE MATERIAL AND SAID CROSS-LINKING AGENT BEING APPLIED IN AN AMOUNT OF FROM ABOUT .05 TO ABOUT 2% BASED ON SAID WEIGHT OF SAID MATERIAL AND THEREAFTER CURING SAID POLYMER WITH SAID CROSS-LINKING AGENTS IN INTIMATE ASSOCIATION IN THE PRESENCE OF A CURING ACCELERATOR FOR SAID CROSS-LINKING AGENT.
Claim 2
Dependent Claim
141 words
A PROCESS FOR IMPARTING A DURABLE ANTI-STATIC FINISH TO SYNTHETIC HYDROPHOBIC TEXTILE MATERIALS SUBJECT TO THE ACCUMULATION OF STATIC ELECTRICITY WHICH COMPRISES APPLYING THERETO A POLYMER SELECTED FROM THE GROUP CONSISTING OF A POLYMER FORMED FROM AN ALKALI METAL ETHYLENESULFONATE AND AN ALKALI METAL ALLYLSULFONATE AND MIXTURES THEREOF AND AN ACYLAMIDE, IN WHICH POLYMER OF SULFONATE AND ACRYLAMIDE ARE PRESENT IN MOLAR RATIO OF FROM .3:1 TO 3:1, RESPECTIVELY, AND A CROSS-LINKING AGENT,SAID POLYMER BEING APPLIED IN AN AMOUNT OF FROM BETWEEN ABOUT 0.25 TO ABOUT 4% BASED ON THE DRY WEIGHT OF THE MATERIAL AND SAID CROSS-LINKING AGENT BEING APPLIED IN AN AMOUNT OF FROM ABOUT .05 TO ABOUT 2% BASED ON SAID WEIGHT OF SAID MATERIAL AND THEREAFTER CURING SAID POLYMER WITH SAID CROSS-LINKING AGENTS IN INTIMATE ASSOCIATION IN THE PRESENCE OF A CURING ACCELERATOR FOR SAID CROSS-LINKING AGENT.
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |