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US3734965A Expired / Lapsed US ⏱️ 0.0 years remaining

N-alkylene-oxy-alkyleneamines of hydroxybenzylamines

Assignee: Reichhold Albert Chemie AG
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Filing: 1969-11-03
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Granted: 1973-05-22
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Expires: 1989-11-03
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Abstract

Abstract A PHENOLIC RESIN HAVING A POLYOXYPROPYLENEAMINE SUBSTITUENT WHEREIN THE RESIN HAS THE GENERAL FORMULA: (R3)M,(NH2-CH(-R4)(-R1))P,(R2-CH(-R1))N-PHENOL WHEREIN R1=H-, CH3-, C2H5-, C3H7-, C4H9- OR K2= R1=H-, CH3-, C2H5-, C3H7-, C4H9-, OR PHENYL R3= NH2-C(-CH3)-O-CH2-(O-CH2-CH(-CH3))X-NH-, -NH-(CH(-CH3)- CH2-O)X-CH2-C(-(CH2)K-CH3)(-CH2-(O-CH2-CH(-CH3))S-X)-CH2- (O-CH2-CH(-CH3))Y-NH2, -(NH-(CH(-CH3)-CH2-O)X-CH(-R)- CH(-CH2-(O-CH2-CH(-CH3))Z-X)-(O-CH2-CH(-CH3))Y-X)U, OR -NH-(CH(-CH3)-CH2-O)X-CH2-C(-CH2-(O-CH2-CH(-CH3))U-X)(-CH2 -(O-CH2-CH(-CH3))Z-U)-CH2-(O-CH2-CH(-CH3))Y-NH2 R4= H-, CH3-, (CH3)3-C-, HO-, (4-HO-PHENYL)-CH2-, (4-HO- PHENYL)-C(-CH3)2-, OR (4-HO-PHENYL)-SO2- -(CH2)3 NH(CH2)3 NH-, -CH2.C(CH3)2.CH2.CH(CH3).CH2.CH.NH-, -CH2.CH(CH3)2.CH2.C(CH3)2.CH2.CH2.NH-, -(CH2)2NH-, -(CH2)3NH-, -(CH2)4NH-, -(CH2)5NH-, -(CH2)6NH-, -(CH2CH2NH)-, -(CH2CH2NH)2-, -(CH2CH2NH)3-, OR -(CH2CH2NH)4-, R=-H OR -CH3, X=-NH2 OR -OH, N AND M=INTEGERS FROM 1 TO 3, X, Y AND Z=1 TO 50, K AND U=0 TO 4, AND P=0 OR AN INTEGER FROM 1 TO 2.

Inventors

  • 👤 W Becker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 03:33
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/621; C08G59/623

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-21 1976-11-20 1977-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-21 1980-11-20 1981-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-21 1984-11-20 1985-05-22 $7700.00 Window Closed / Lapsed

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