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US3281218A Expired / Lapsed US ⏱️ 0.0 years remaining

Triborane(7) compounds and method of preparing same

Assignee: Callery Chemical Co
•
Filing: 1957-07-18
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Granted: 1966-10-25
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Expires: 1977-07-18
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence J Edwards
  • 👤 William V Hough

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 01:50
CPC Classifications
C; C01; C01B; C01B6/00; C01B35/00; C01B35/02; C01B35/026; C07; C07F; C07F5/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 52 words
THE TRIBORANE (7) ADDUCTS OF THE COMPOSITION XB3H7, WHERE X IS A BASIC SUBSTANCE OF THE GROUP CONSISTING OF BASIC ORGANIC SUBSTITUTED HYDRIDES OF AN ELEMENT SELECTED FROM THE GROUP VA AND VIA IN WHICH THE ORGANIC SUBSTITUENT IS NOT REACTIVE WITH TETRABORANE AND HYDRIDES OF AN ELEMENT SELECTED FROM GROUP VA.
Claim 2
Dependent Claim 52 words
THE TRIBORANE (7) ADDUCTS OF THE COMPOSITION XB3H7, WHERE X IS A BASIC SUBSTANCE OF THE GROUP CONSISTING OF BASIC ORGANIC SUBSTITUTED HYDRIDES OF AN ELEMENT SELECTED FROM THE GROUP VA AND VIA IN WHICH THE ORGANIC SUBSTITUENT IS NOT REACTIVE WITH TETRABORANE AND HYDRIDES OF AN ELEMENT SELECTED FROM GROUP VA.

References Cited (Backward Citations)

US949954A Cited
US2596690A Cited
US2555512A Cited
US2533696A Cited
US2829029A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-24 1970-04-25 1970-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-24 1974-04-25 1974-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-24 1978-04-25 1978-10-25 $7700.00 Window Closed / Lapsed

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