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US3674800A Expired / Lapsed US ⏱️ 0.0 years remaining

Derivatives pyridinium of polyfluoroisoalkoxyalkanamides

Assignee: Honeywell International Inc
•
Filing: 1969-04-14
•
Granted: 1972-07-04
•
Expires: 1989-04-14
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Abstract

Abstract N-methylol and N-halomethyl derivatives of polyfluoroisoalkoxyalkanamides, and their substituted ammonium salts characterized in that an ether oxygen links a fluorinated carbon atom attached to two fluoroalkyl groups and at least one CF2- group. These compounds are useful as water and oil repellency agents.

Inventors

  • 👤 Richard F Sweeney
  • 👤 Aziz Urrehman Khan
  • 👤 Alson K Price
  • 👤 Edward Stephen Jones
  • 👤 Julian A Otto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 18:02
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07C; C07C335/00; C07C335/30; C07C335/32; C07C51/00; C07C51/09; C07C51/58; C07C51/60; C07C59/00; C07C59/125; C07C59/135; C07D215/00; C07D215/02; C07D215/04; C07D215/10; D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/402; D06M13/432

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 12 words
Compound as claimed in claim 1 wherein R1 and R2 are fluorine.
Claim 2
Dependent Claim 12 words
Compound as claimed in claim 1 wherein A is chloride or bromide.
Claim 3
Dependent Claim 13 words
A compound as claimed in claim 1 wherein Q is the pyridinium radical.
Claim 4
Dependent Claim 13 words
A compound according to claim 4 wherein Q is pyridinium A is chloride.
Claim 5
Dependent Claim 9 words
A compound according to claim 4 of the formula
Claim 6
Dependent Claim 9 words
A compound according to claim 4 of the formula
Claim 7
Dependent Claim 9 words
A compound according to claim 4 of the formula
Claim 8
Dependent Claim 9 words
A compound according to claim 4 of the formula
Claim 9
Dependent Claim 9 words
A compound according to claim 4 of the formula

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-07-04 1976-01-03 1976-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-07-04 1980-01-03 1980-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-07-04 1984-01-03 1984-07-04 $7700.00 Window Closed / Lapsed

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