US2744835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating fibers with a vinyl copolymer and a werner complex
Assignee: Owens Corning
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Filing: 1953-06-10
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Granted: 1956-05-08
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Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Remus F Caroselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:36
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/28; D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/188; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/327; D06M15/333; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958; Y10T428/2964
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN THE METHOD OF TREATING FIBROUS STRUCTURES TO IMPROVE THE CHARACTERISTICS THEREOF, THE STEPS OF COATING THE FIBERS WITH A COMPOSITION CONTAINING A VINYL COPOLYMER AND A VINYL METHYL ETHER-MALEIC ANHYDRILE COPOLYMER, SETTING THE COATING MATERIALS ON THE FIBER SURFACES, AND THEN TREATING THE FIBERS WITH A WERNER COMPLEX COMPOUND IN WHICH THE ACIDO GROUP COORDINATED WITH THE TRIVALENT NUCLEAR CHROMIUM ATOM CONTAINS AT LEAST 10 CARBON ATOMS.
Claim 2
Dependent Claim
68 words
IN THE METHOD OF TREATING FIBROUS STRUCTURES TO IMPROVE THE CHARACTERISTICS THEREOF, THE STEPS OF COATING THE FIBERS WITH A COMPOSITION CONTAINING A VINYL COPOLYMER AND A VINYL METHYL ETHER-MALEIC ANHYDRILE COPOLYMER, SETTING THE COATING MATERIALS ON THE FIBER SURFACES, AND THEN TREATING THE FIBERS WITH A WERNER COMPLEX COMPOUND IN WHICH THE ACIDO GROUP COORDINATED WITH THE TRIVALENT NUCLEAR CHROMIUM ATOM CONTAINS AT LEAST 10 CARBON ATOMS.
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |