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US3883644A Expired / Lapsed US ⏱️ 0.0 years remaining

Aluminum hydride

Assignee: Dow Chemical Co
•
Filing: 1962-10-23
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Granted: 1975-05-13
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Expires: 1982-10-23
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Abstract

Abstract The invention relates to a novel, crystalline substantially nonsolvated aluminum hydride having a unique X-ray diffraction.

Inventors

  • 👤 Norman E Matzek
  • 👤 Donald F Musinski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 12:55
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 69 words
A NOVEL, CRYSTALLINE SUBSTANTIALLY NON-SOLVATED ALUMINUM HYDRIDE HAVING THE UNIQUE X-RAY DIFFRACTION AS FOLLOWS, D 1/11 D 1/11 5.6 100 1.44 5 3.28 60 1.41 12 3.21 10 1.395 5 2.79 60 1.281 6 2.29 12 1.271 2 2.12 50 1.144 5 1.855 3 1.123 0.8 1.77 3 1.090 0.8 1.635 7 1.060 2 1.16 8 1.045 0.8 1.60 9 1.015 3 1.57 8 3 1.004 0.8 1.54 2
Claim 2
Dependent Claim 69 words
A NOVEL, CRYSTALLINE SUBSTANTIALLY NON-SOLVATED ALUMINUM HYDRIDE HAVING THE UNIQUE X-RAY DIFFRACTION AS FOLLOWS, D 1/11 D 1/11 5.6 100 1.44 5 3.28 60 1.41 12 3.21 10 1.395 5 2.79 60 1.281 6 2.29 12 1.271 2 2.12 50 1.144 5 1.855 3 1.123 0.8 1.77 3 1.090 0.8 1.635 7 1.060 2 1.16 8 1.045 0.8 1.60 9 1.015 3 1.57 8 3 1.004 0.8 1.54 2

References Cited (Backward Citations)

US3092648A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-05-12 1978-11-11 1979-05-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-05-12 1982-11-11 1983-05-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-05-12 1986-11-11 1987-05-13 $7700.00 Window Closed / Lapsed

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