Amine hardener for epoxy resins

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C525S418000, C525S504000, C525S524000

Reexamination Certificate

active

10815532

ABSTRACT:
Compounds of formula Ia or Ibwherein A is an (n+1)-valent aliphatic, cycloaliphatic, araliphatic or aromatic radical and n is an integer from 0 to 5,E is an (m+1)-valent aliphatic, cycloaliphatic, araliphatic or aromatic radical and m is an integer from 0 to 3,X is —O—, —C(═O)O or —CHR4—, with R4and R3together forming an ethylene group,R1and R2are, each independently of the other, hydrogen or methyl,R3is hydrogen, or R3and R4together form an ethylene group,and R5is a monovalent aliphatic, cycloaliphatic, araliphatic or aromatic radical,are highly reactive curing agents for epoxy resins and yield cured products having improved resistance to chemicals.

REFERENCES:
patent: 2831830 (1958-04-01), Schroeder
patent: 3394098 (1968-07-01), Cameron
patent: 3548002 (1970-12-01), Levine
patent: 3919277 (1975-11-01), Luhowy et al.
patent: 5086091 (1992-02-01), Geist et al.
patent: 5143999 (1992-09-01), Setiabudi et al.
patent: 586732 (1977-04-01), None
patent: 1595395 (1970-04-01), None
patent: 0273170 (1988-07-01), None
patent: 0449776 (1991-10-01), None
patent: 51082400 (1976-07-01), None
patent: 07173283 (1995-07-01), None
patent: 07228567 (1995-08-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Amine hardener for epoxy resins does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Amine hardener for epoxy resins, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Amine hardener for epoxy resins will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3796645

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.