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US3190903A Expired / Lapsed US ⏱️ 0.0 years remaining

Organosiloxyalkyl ethers of polyhydric alcohols

Assignee: Bayer AG
•
Filing: 1962-03-07
•
Granted: 1965-06-22
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Expires: 1982-03-07
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Abstract

No abstract record available.

Inventors

  • 👤 Kopnick Horst
  • 👤 Delfs Detlef

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:47
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G77/46; A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/84; A61K8/89; A61K8/891; A61K8/894; A61Q; A61Q19/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0889

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 14 words
AN ORGANOSILOXY ALKOXY ALKANE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim 14 words
AN ORGANOSILOXY ALKOXY ALKANE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:

References Cited (Backward Citations)

US2917480A Cited
US3040080A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-21 1968-12-21 1969-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-21 1972-12-21 1973-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-21 1976-12-21 1977-06-22 $7700.00 Window Closed / Lapsed

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