US2626873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of impregnating cloth for repairing metal surfaces
Assignee: Atomized Materials Co
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Filing: 1949-11-02
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Granted: 1953-01-27
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Expires: 1969-11-02
Abstract
No abstract record available.
Inventors
- 👤 Charles H Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:19
CPC Classifications
D; D06; D06M; D06M17/00; D06M17/04; D06M17/06; C; C08; C08J; C08J5/00; C08J5/04; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06; C08J2433/00; C08J2433/04; C08J2433/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF MAKING COMPOSITE SHEET MATERIAL WHICH COMPRISES IMPREGNATING A TEXTILE FABRIC WITH A SOLUTION CONSISTING OF POLYVINYL CHLORIDE ACETATE MALEIC ACID RESIN COPOLYMERIZED TO CONTAIN APPROXIMATELY AN 86-13-1 RATIO OF THE THREE COMPONENTS AND VINYL CHLORIDE ACETATE COPOLYMER WITHOUT THE MALEIC ACID MODIFICATION DISSOLVED IN A THINNER CONSISTING ESSENTIALLY OF A KETONE OR ESTER TYPE SOLVENT AND AN AROMATIC HYDROCARBON DILUENT IN 40-60 RATIO BY WEIGHT OF SOLVENT TO DILUENT, BLENDED 90 PER CENT OR MORE WITH A SOLUTION HAVING 20 PER CENT ETHYL METHACRYLATE POLYMER, 10 PER CENT METHYL METHACRYLATE POLYMER AND 10 PER CENT NORMAL BUTYL METHACRYLATE POLYMER WITH 60 PER CENT OF AROMATIC HYDROCARBON, REMOVING THE EXCESS SOLUTION FROM THE IMPREGNATED FABRIC AND DRIVING OFF THE SOLVENT TO PRODUCE A STIFFENED FABRIC COMPOSITION WHICH MAY BE RESOFTENED BY USE OF A KETONE SOLVENT.
Claim 2
Independent Claim
138 words
THE METHOD OF MAKING COMPOSITE SHEET MATERIAL WHICH COMPRISES IMPREGNATING A TEXTILE FABRIC WITH A SOLUTION CONSISTING OF POLYVINYL CHLORIDE ACETATE MALEIC ACID RESIN COPOLYMERIZED TO CONTAIN APPROXIMATELY AN 86-13-1 RATIO OF THE THREE COMPONENTS AND VINYL CHLORIDE ACETATE COPOLYMER WITHOUT THE MALEIC ACID MODIFICATION DISSOLVED IN A THINNER CONSISTING ESSENTIALLY OF A KETONE OR ESTER TYPE SOLVENT AND AN AROMATIC HYDROCARBON DILUENT IN 40-60 RATIO BY WEIGHT OF SOLVENT TO DILUENT, BLENDED 90 PER CENT OR MORE WITH A SOLUTION HAVING 20 PER CENT ETHYL METHACRYLATE POLYMER, 10 PER CENT METHYL METHACRYLATE POLYMER AND 10 PER CENT NORMAL BUTYL METHACRYLATE POLYMER WITH 60 PER CENT OF AROMATIC HYDROCARBON, REMOVING THE EXCESS SOLUTION FROM THE IMPREGNATED FABRIC AND DRIVING OFF THE SOLVENT TO PRODUCE A STIFFENED FABRIC COMPOSITION WHICH MAY BE RESOFTENED BY USE OF A KETONE SOLVENT.
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) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |