Patent · US Expired

Mixture of rough and spheroidized resin particles

US4243794A · kind A · utility

46Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 1978
Grant dateJan 6, 1981
Priority date
Expiry dateOct 10, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/934
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Free flowing resin powder which upon striking a heated article fuses, flows and hardens to provide a protective coating, which powder consists of a mixture of rough and rounded particles, the rough particles having a granular appearance as a result of being pulverized and the rounded particles having smooth, glossy, spheroidized surfaces as a result of being briefly heated to a temperature above the softening point. Preferably each particle of the powder is a blend of thermosetting resin and curing agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.