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US3002949A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition comprising an organopolysiloxane and the reaction product of a titanium ester and formaldehyde, and method of rendering fibrous material water-repellent therewith

Assignee: Wacker Chemie AG
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Filing: 1958-10-17
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Granted: 1961-10-03
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Expires: 1978-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Nitzsche Siegfried
  • 👤 Pirson Ewald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:45
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M13/00; D06M13/50; D06M13/503

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2708205A Cited
US2672455A Cited
US2721855A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-02 1965-04-03 1965-10-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-02 1969-04-03 1969-10-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-02 1973-04-03 1973-10-03 $7700.00 Window Closed / Lapsed

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