Patent US2923653A successfully refreshed from Google Patents.
US2923653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonded non-woven fibrous products and methods for manufacturing them
Assignee: Rohm and Haas Co
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Filing: 1956-08-13
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Granted: 1960-02-02
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Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel A Matlin
- 👤 Benjamin B Kine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS OF MAKING A NON-WOVEN FABRIC WHICH COMPRISES ASSOCIATING, IN RANDOM ARRAY WITHIN A WEB OR MAT, A MASS OF FIBERS, COMPRISING A PREDOMINANT PROPORTION OF FIBERS SELECTED FROM THE GROUP CONSISTING OF CELLULOSIC FIBERS, POLYAMIDE FIBERS, POLYESTER FIBERS, AND VINYL RESIN FIBERS, BRINGING INTO CONTACT WITH THE FIBERS, A BINDER COMPRISING AN AQUEOUS DISPERSION CONTAINING (1) A WATERSOLUBLE AMINOPLAST AND (2) 2% TO 60% BY WEIGHT OF A WATER-INSOLUBLE COPOLYMER, HAVING A T1 VALUE NOT OVER ABOUT 30*C., OF (A) 3% TO 30% BY WEIGHT OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
93 words
A PROCESS OF MAKING A NON-WOVEN FABRIC WHICH COMPRISES ASSOCIATING, IN RANDOM ARRAY WITHIN A WEB OR MAT, A MASS OF FIBERS, COMPRISING A PREDOMINANT PROPORTION OF FIBERS SELECTED FROM THE GROUP CONSISTING OF CELLULOSIC FIBERS, POLYAMIDE FIBERS, POLYESTER FIBERS, AND VINYL RESIN FIBERS, BRINGING INTO CONTACT WITH THE FIBERS, A BINDER COMPRISING AN AQUEOUS DISPERSION CONTAINING (1) A WATERSOLUBLE AMINOPLAST AND (2) 2% TO 60% BY WEIGHT OF A WATER-INSOLUBLE COPOLYMER, HAVING A T1 VALUE NOT OVER ABOUT 30*C., OF (A) 3% TO 30% BY WEIGHT OF A COMPOUND OF THE FORMULA
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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |