(19)
(11) EP 0 216 787 A1

(12)

(43) Date of publication:
08.04.1987 Bulletin 1987/15

(21) Application number: 86900365.0

(22) Date of filing: 18.11.1985
(51) International Patent Classification (IPC): 
B01J 3/ 08( . )
 C04B 35/ 5831( . )
(86) International application number:
PCT/US1985/002277
(87) International publication number:
WO 1986/006057 (23.10.1986 Gazette 1986/23)
(84) Designated Contracting States:
FR

(30) Priority: 08.04.1985 US 19850721020

(71) Applicants:
  • CLINE, Carl F.
    Walnut Creek, CA 94598 (US)
  • HARE, Allan
    Port Angeles, WA 98362 (US)
  • WILKINS, Mark L.
    Pleasanton, CA 94566 (US)

(72) Inventors:
  • CLINE, Carl F.
    Walnut Creek, CA 94598 (US)
  • HARE, Allan
    Port Angeles, WA 98362 (US)
  • WILKINS, Mark L.
    Pleasanton, CA 94566 (US)

   


(54) PREPARATION OF SOLID AGGREGATE BORON NITRIDE CRYSTALS