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US2537667A Expired / Lapsed US ⏱️ 0.0 years remaining

Waterproofing of fibrous products

Assignee: Monsanto Chemicals Ltd
•
Filing: 1944-08-24
•
Granted: 1951-01-09
•
Expires: 1964-08-24
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Abstract

No abstract record available.

Inventors

  • 👤 Jay C Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 12:44
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 53 words
AN AQUEOUS DISPERSION WHEREIN THE DISPERSE PHASE CONSISTS OF PARTICLES HAVING A SIZE BETWEEN THE LIMITS OF 0.5 TO 10.0 MICRONS AND THE AQUEOUS PHASE HAS A HYDROGEN ION CONCENTRATION BETWEEN THE LIMITS OF PH=9.0 AND 10.0 COMPRISING THE FOLLOWING INGREDIENTS IN PER CENT BY WEIGHT HYDROCARBON SOLUBLE RESINOUS DIBUTYL ETHER WATER, BALANCE

References Cited (Backward Citations)

GB495714A Cited
GB537971A Cited
US2200164A Cited
US2344926A Cited
US2357273A Cited
US2365813A Cited
US2423428A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-01-08 1954-07-10 1955-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-01-08 1958-07-10 1959-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-01-08 1962-07-10 1963-01-09 $7700.00 Window Closed / Lapsed

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