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US3196147A Expired / Lapsed US ⏱️ 0.0 years remaining

4-o-alkyl-5, 5-dialkyl-l-xylose derivatives

Assignee: F Hoffmann La Roche AG
•
Filing: 1962-10-04
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Granted: 1965-07-20
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Expires: 1982-10-04
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Abstract

No abstract record available.

Inventors

  • 👤 Kiss Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 17:34
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33; C07C; C07C205/00; C07C205/49; C07C205/57; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1785; C07H; C07H15/00; C07H15/02; C07H15/04; C07H15/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 4 words
2-ACYLAMINOBENZOYL-4-O-LOWER ALKYL-5,5-DI-(C1-C5 ALKYL) XYLOSE,
Claim 2
Dependent Claim 4 words
2-ACYLAMINOBENZOYL-4-O-LOWER ALKYL-5,5-DI-(C1-C5 ALKYL) XYLOSE,

References Cited (Backward Citations)

US2218569A Cited
US2938900A Cited
US2949449A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-19 1969-01-18 1969-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-19 1973-01-18 1973-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-19 1977-01-18 1977-07-20 $7700.00 Window Closed / Lapsed

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