Free flowing melamine cyanurate agglomerate

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C523S205000, C427S221000, C428S402220

Reexamination Certificate

active

07547738

ABSTRACT:
The invention relates to agglomerates of flame-retardants, in particular melamine cyanurate, containing aggregates with an average size of between 0.1 and 50μ bonded to each other with the aid of an auxiliary material. This auxiliary material is present in a concentration of between 0.1 and 10 wt. %, relative to the total agglomerates weight, and has a softening point higher than 40° C.The invention further relates to a method for producing said agglomerates, the use of the agglomerates in the preparation of polymer compositions, and polymer compositions containing melamine cyanurate.

REFERENCES:
patent: 5135974 (1992-08-01), Moore
patent: 4040276 (1992-06-01), None
patent: 0487974 (1992-06-01), None
patent: 0666259 (1995-08-01), None
patent: 5-310716 (1993-11-01), None
patent: 7-241774 (1995-09-01), None
patent: 13-206061 (1999-10-01), None
patent: 2001-206961 (2001-07-01), None
patent: 93/06157 (1993-04-01), None
Derwent Abstract 92-217676/27 for DE 4040276 (Jun. 1992).
Derwent Abstract 92-184916/23 for EP 0487974 (Jun. 1992).

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