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US2577840A Expired / Lapsed US ⏱️ 0.0 years remaining

Compositions for use in treating fibrous materials to impart water repellency

Assignee: Union Carbide Corp
•
Filing: 1950-06-22
•
Granted: 1951-12-11
•
Expires: 1970-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Robert R Burnham
  • 👤 Arnold T Anderson
  • 👤 Arthur M Matheson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 20:41
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 69 words
A SOLID MIXTURE ADAPTED TO BE MIXED WITH WATER TO FORM A WATER REPELLANT BATH, COMPRISING BY WEIGHT 35 TO 70 PARTS WAX, 1 TO 2 PARTS AMINE EMULSION STABILIZER, 12 TO 20 PARTS EMULSIFIER CONSISTING OF POLYVINYL ALCOHOL, 10 TO 20 PARTS WATER SOLUBLE FATTY ACID SALT OF A METAL OF THE GROUP CONSISTING OF ALUMINUM AND ZIRCONIUM, AND UP TO 10 PARTS DRY BUFFER CONTAINING SODIUM DIACETATE.
Claim 2
Dependent Claim 69 words
A SOLID MIXTURE ADAPTED TO BE MIXED WITH WATER TO FORM A WATER REPELLANT BATH, COMPRISING BY WEIGHT 35 TO 70 PARTS WAX, 1 TO 2 PARTS AMINE EMULSION STABILIZER, 12 TO 20 PARTS EMULSIFIER CONSISTING OF POLYVINYL ALCOHOL, 10 TO 20 PARTS WATER SOLUBLE FATTY ACID SALT OF A METAL OF THE GROUP CONSISTING OF ALUMINUM AND ZIRCONIUM, AND UP TO 10 PARTS DRY BUFFER CONTAINING SODIUM DIACETATE.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-10 1955-06-11 1955-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-10 1959-06-11 1959-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-10 1963-06-11 1963-12-11 $7700.00 Window Closed / Lapsed

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