US3173841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Durable antibacterial textile finish for cellulosic textile material
Assignee: Wyeth Holdings LLC
•
Filing: 1962-08-23
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Granted: 1965-03-16
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Philip B Roth
- 👤 Leonard B Hallows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:22
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; D; D06; D06M; D06M16/00; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR FINISHING FORMED TEXTILE FABRIC CONTAINING AT LEAST 50% CELLULOSIC FIBERS TO IMPART A DURABLE ANTIBACTERIAL FINISH THERETO HAVING RESISTANCE TO DISCOLORATION WHICH COMPRISES SIMULTANELUSLY APPLYING THERETO AN AQUEOUS TREATING SOLUTION HAVING A PH ABOVE 8.5 AND CONTAINING NEOMYCIN, AN ANIONIC FLUORESCENT BRIGHTENER COTAINING A SULFONIC ACID GROUP THAT IS SUBSTANTIVE TO CELLULOSE FIBER, AND AN ALKALINE AGENT, SO AS TO IMPART AT LEAST .0001% OF NEOMYCIN AND AT LEAST .001% OF SAID ANIONIC BRIGHTENER TO THE FINISHED FABRIC, AND THEREAFTER DRYING THE FABRIC.
Claim 2
Dependent Claim
86 words
A PROCESS FOR FINISHING FORMED TEXTILE FABRIC CONTAINING AT LEAST 50% CELLULOSIC FIBERS TO IMPART A DURABLE ANTIBACTERIAL FINISH THERETO HAVING RESISTANCE TO DISCOLORATION WHICH COMPRISES SIMULTANELUSLY APPLYING THERETO AN AQUEOUS TREATING SOLUTION HAVING A PH ABOVE 8.5 AND CONTAINING NEOMYCIN, AN ANIONIC FLUORESCENT BRIGHTENER COTAINING A SULFONIC ACID GROUP THAT IS SUBSTANTIVE TO CELLULOSE FIBER, AND AN ALKALINE AGENT, SO AS TO IMPART AT LEAST .0001% OF NEOMYCIN AND AT LEAST .001% OF SAID ANIONIC BRIGHTENER TO THE FINISHED FABRIC, AND THEREAFTER DRYING THE FABRIC.
References Cited (Backward Citations)
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |