Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-05-23
2009-06-16
Szekely, Peter (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
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).
Bleiman Philippe Wolfgang Paul Valere
Kierkels Renier Henricus Maria
Mokveld Johannes Cornelis Jozef
Schaafsma Stefan Hendrikus
Ciba Specialty Chemicals Corporation
Loggins Shiela A.
Szekely Peter
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