Plastic and nonmetallic article shaping or treating: processes – Spheroidizing or rounding of solid particles
Patent
1997-04-08
1999-07-27
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Spheroidizing or rounding of solid particles
B29B 910
Patent
active
059285770
ABSTRACT:
Spherical particles of a copolymer composition comprising a crosslinker and/or coating additive(s) the particles being especially useful for coating various substrates; and an improved process for making such particles comprising forming the copolymer and unreacted crosslinker and/or other additives in a coating matrix.
REFERENCES:
patent: 3933954 (1976-01-01), Gebhard, Jr. et al.
patent: 5472649 (1995-12-01), Chang et al.
Costello James A.
Deshmukh Sudhir G.
E. I. Du Pont de Nemours and Company
Theisen Mary Lynn
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