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US3265734A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium salts of halomethyl diphenyl ethers

Assignee: Sun Chemical Corp
•
Filing: 1963-04-24
•
Granted: 1966-08-09
•
Expires: 1983-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Kraiman Eugene
  • 👤 Arthur F Hasson
  • 👤 Edwin L Sukman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:07
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/024; A; A01; A01N; A01N33/00; A01N33/02; A01N33/12; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

FR965160A Cited
US2271378A Cited
US2383775A Cited
US2520275A Cited
US2666010A Cited
US2759975A Cited
US2759020A Cited
US2851378A Cited
US3090705A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-08 1970-02-07 1970-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-08 1974-02-07 1974-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-08 1978-02-07 1978-08-09 $7700.00 Window Closed / Lapsed

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