Patent US2630416A successfully refreshed from Google Patents.
US2630416A
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Textile size comprising an aqueous solution of a styrene-maleic anhydride copolymer and a water soluble borate
Assignee: Stein Hall and Co Inc
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Filing: 1949-12-06
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Granted: 1953-03-03
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Expires: 1969-12-06
Abstract
No abstract record available.
Inventors
- 👤 Piana Fred G La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:00
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M11/00; D06M11/80; D06M11/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SIZE SOLUTION FOR TEXTILE MATERIAL COMPRISING AN AQUEOUS SOLUTION OF THE REACTION PRODUCT OF A WATER-SOLUBLE SALT AND A COPOLYMER OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF STYRENE, AN ALKYL-SUBSTITUTED STYRENE AND A HALOGEN-SUBSTITUTED STYRENE WITH A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MALEIC ANHYDRIDE AND A PARTIAL ESTER OF MALEIC ANHYDRIDE, SAID WATER-SOLUBLE SALT BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM BORATES, POTASSIUM BORATES, LITHIUM BORATES AND AMMONIUM BORATES.
Claim 2
Dependent Claim
75 words
A SIZE SOLUTION FOR TEXTILE MATERIAL COMPRISING AN AQUEOUS SOLUTION OF THE REACTION PRODUCT OF A WATER-SOLUBLE SALT AND A COPOLYMER OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF STYRENE, AN ALKYL-SUBSTITUTED STYRENE AND A HALOGEN-SUBSTITUTED STYRENE WITH A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MALEIC ANHYDRIDE AND A PARTIAL ESTER OF MALEIC ANHYDRIDE, SAID WATER-SOLUBLE SALT BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM BORATES, POTASSIUM BORATES, LITHIUM BORATES AND AMMONIUM BORATES.
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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |