US2823142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soft durable nonwoven fabric
Assignee: Chicopee Manufacturing Corp
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Filing: 1954-10-20
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Granted: 1958-02-11
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Expires: 1974-10-20
Abstract
No abstract record available.
Inventors
- 👤 John K Sumner
- 👤 Elmer J Yedlick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/587; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A SOFT, DURABLE NON-WOVEN FABRIC HAVING SOFT DRAPE AND HANDLE AND RESISTANT TO SERIOUS WRINKLING AND SHRINKAGE FROM WASHING AND DRY CLEANING AS WELL AS DISCLORATION DUE TO LIGHT AND HEAT COMPRISING A WEB OF OVERLAPPING INTERSECTING FIBERS IMPREGNATED SUBSTANTIALLY UNIFORMLY WITH (1) AT LEAST ABOUT 5% AND UP TO AROUND 40% BY WEIGHT OF THE DRY WEB OF A THERMOSETTING CREASE-PROOFING AGENT SELECTED FROM THE GROUP CONSISTING OF MELAMINEFORMALDEHYDE, UREA-FORMALDEHYDE, PHENOL-FORMALDEHYDE, AND DICYANDIAMIDE-FORMALDEHYDE, AND (2) A BINDER MATERIAL SELECTED FROM THE GROUP CONSISTING OF A SOFT ACRYLATE POLYMERS AND SOFT ACRYLATE COPOLYMERS, SAID ACRYLATE BEING A LOWER ALKYL ESTER OF ACRYLIC ACID WHEREIN SAID ALKYL RADICAL CONTAINS UP TO AND INCLUDING EIGHT CARBON ATOMS, THE COMBINED WEIGHT OF SAID THERMOSETTING RESIN AND SAID ACRYLATE BEING FROM ABOUT 25% TO ABOUT 75% OF THE WEIGHT OF THE NON-WOVEN FABRIC.
Claim 2
Dependent Claim
139 words
A SOFT, DURABLE NON-WOVEN FABRIC HAVING SOFT DRAPE AND HANDLE AND RESISTANT TO SERIOUS WRINKLING AND SHRINKAGE FROM WASHING AND DRY CLEANING AS WELL AS DISCLORATION DUE TO LIGHT AND HEAT COMPRISING A WEB OF OVERLAPPING INTERSECTING FIBERS IMPREGNATED SUBSTANTIALLY UNIFORMLY WITH (1) AT LEAST ABOUT 5% AND UP TO AROUND 40% BY WEIGHT OF THE DRY WEB OF A THERMOSETTING CREASE-PROOFING AGENT SELECTED FROM THE GROUP CONSISTING OF MELAMINEFORMALDEHYDE, UREA-FORMALDEHYDE, PHENOL-FORMALDEHYDE, AND DICYANDIAMIDE-FORMALDEHYDE, AND (2) A BINDER MATERIAL SELECTED FROM THE GROUP CONSISTING OF A SOFT ACRYLATE POLYMERS AND SOFT ACRYLATE COPOLYMERS, SAID ACRYLATE BEING A LOWER ALKYL ESTER OF ACRYLIC ACID WHEREIN SAID ALKYL RADICAL CONTAINS UP TO AND INCLUDING EIGHT CARBON ATOMS, THE COMBINED WEIGHT OF SAID THERMOSETTING RESIN AND SAID ACRYLATE BEING FROM ABOUT 25% TO ABOUT 75% OF THE WEIGHT OF THE NON-WOVEN FABRIC.
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |