Patent US2837462A successfully refreshed from Google Patents.
US2837462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven fabric and products containing bacteristatic agent
Assignee: Chicopee Manufacturing Corp
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Filing: 1954-12-29
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Granted: 1958-06-03
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Expires: 1974-12-29
Abstract
No abstract record available.
Inventors
- 👤 Morin George Van Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
D; D06; D06M; D06M16/00; A; A01; A01N; A01N33/00; A01N33/02; A01N33/12; A61; A61L; A61L15/00; A61L15/16; A61L15/20; A61L15/42; A61L15/46; D04; D04H; D04H1/00; D04H1/40; D04H1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A RELATIVELY SOFT NONWOVEN FABRIC COMPRISING A LOOSELY ASSEMBLED WEB OF OVERLAPPING INTERSECTING FIBERS, A SUBSTANTIALLY NONIONIC BINDER MATERIAL DISTRIBUTED THROUGHOUT THE WEB IN ADHESIVE CONTACT WITH THE FIBERS THEREIN, THE BINDER FORMING BONDS BETWEEN THE FIBERS AND SAID BONDS HAVING WET ABRASION RESISTANCE, SAID BINDER COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF VINYL ACETATE AND AN ALKYL ACRYLATE, COPOLYMERS OF VINYL ACETATE AND AN ALKYL METHACRYLATE AND TRIPOLYMERS OF VINYL ACETATE, AN ALKYL ACRYLATE, AND AN ALKYL METHACRYLATE, SAID BINDER COMPRISING AT LEAST ABOUT 70 PERCENT OF VINYL ACETATE BASED UPON THE WEIGHT OF THE TOTAL MONOMERS, SAID ACRYLATES HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
109 words
A RELATIVELY SOFT NONWOVEN FABRIC COMPRISING A LOOSELY ASSEMBLED WEB OF OVERLAPPING INTERSECTING FIBERS, A SUBSTANTIALLY NONIONIC BINDER MATERIAL DISTRIBUTED THROUGHOUT THE WEB IN ADHESIVE CONTACT WITH THE FIBERS THEREIN, THE BINDER FORMING BONDS BETWEEN THE FIBERS AND SAID BONDS HAVING WET ABRASION RESISTANCE, SAID BINDER COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF VINYL ACETATE AND AN ALKYL ACRYLATE, COPOLYMERS OF VINYL ACETATE AND AN ALKYL METHACRYLATE AND TRIPOLYMERS OF VINYL ACETATE, AN ALKYL ACRYLATE, AND AN ALKYL METHACRYLATE, SAID BINDER COMPRISING AT LEAST ABOUT 70 PERCENT OF VINYL ACETATE BASED UPON THE WEIGHT OF THE TOTAL MONOMERS, SAID ACRYLATES HAVING THE FOLLOWING STRUCTURAL FORMULA:
References Cited (Backward Citations)
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US2545952A
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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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |