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US2605281A Expired / Lapsed US ⏱️ 0.0 years remaining

Cation-active compounds derived from alkaryl sulfonyl chlorides or alkaryl sulfonates

Assignee: D'INNOVATIONS CHIMIQUES SA
•
Filing: 1949-04-01
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Granted: 1952-07-29
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Expires: 1969-04-01
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Abstract

No abstract record available.

Inventors

  • 👤 Blinoff Vsevolod

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:32
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/89; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/905; Y10S516/909; Y10S516/91

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 7 words
A CATION ACTIVE PRODUCT HAVING THE FORMULA

References Cited (Backward Citations)

US2244512A Cited
GB545521A Cited
US2301796A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-07-29 1956-01-28 1956-07-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-07-29 1960-01-28 1960-07-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-07-29 1964-01-28 1964-07-29 $7700.00 Window Closed / Lapsed

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