Polyamides

Details Polyamides Polyamides

2007-01-16

2007-01-16

Hightower, Patricia (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S324000, C528S314000, C528S345000

Reexamination Certificate

active

10973128

ABSTRACT:
Polyamides useful as hotmelt adhesives and having improved resistance to hydrocarbons such as gasoline are obtained by reacting a) an acid component containing at least one C6to C22aliphatic dicarboxylic acid and b) an amine component containing at least one straight chain alkylene diamine having from 2 to 8 carbon atoms and at least one heterocyclic secondary diamine. The amine component may optionally also contain at least one branched chain alkylene diamine having from 3 to 10 carbon atoms and/or at least one C24to C48dimer amine.

REFERENCES:
patent: 3565837 (1971-02-01), Drawert et al.
patent: 3847875 (1974-11-01), Drawert et al.
patent: 4218351 (1980-08-01), Rasmussen
patent: 4409373 (1983-10-01), Wiemers et al.
patent: 4663371 (1987-05-01), Arnold et al.
patent: 4760125 (1988-07-01), Wiemers et al.
patent: 4777238 (1988-10-01), Leoni et al.
patent: 4791164 (1988-12-01), Wichelhaus et al.
patent: 4810772 (1989-03-01), Leoni et al.
patent: 4853460 (1989-08-01), Harman
patent: 4882414 (1989-11-01), Wroczynski
patent: 4912196 (1990-03-01), Leoni et al.
patent: 4914162 (1990-04-01), Leoni et al.
patent: 5138027 (1992-08-01), Van Beek
patent: 5548027 (1996-08-01), Heucher et al.
patent: 5719255 (1998-02-01), Heucher et al.
patent: 5807968 (1998-09-01), Heinrich et al.
patent: 5883172 (1999-03-01), Heucher et al.
patent: 5922831 (1999-07-01), Heinrich et al.
patent: 5948880 (1999-09-01), Fischer et al.
patent: 6670442 (2003-12-01), Rossini et al.
patent: 0 334 667 (1989-09-01), None
patent: 1 454 957 (2004-09-01), None
patent: WO 03/04078 (2003-06-01), None

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