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US3086043A Expired / Lapsed US ⏱️ 0.0 years remaining

Alkenylsuccinic anhydride monoesters of sulfoalkyl derivatives

Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-12-21
•
Granted: 1963-04-16
•
Expires: 1979-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Van R Gaertner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 09:53
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/01; C07C309/02; C07C309/03; C07C309/07; C07C309/09; C07C309/10; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/123; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim 4 words
COMPOUNDS OF THE FORMULA

References Cited (Backward Citations)

GB787138A Cited
US2832795A Cited
US2950310A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-04-15 1966-10-15 1967-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-04-15 1970-10-15 1971-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-04-15 1974-10-15 1975-04-16 $7700.00 Window Closed / Lapsed

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