公开(公告)号：US3740248A

公开(公告)日：1973-06-19

申请号：US3740248D

申请日：1970-12-28

Applicant: OXY DRY SPRAYER CORP

Inventor： BUHLER W ,  MALETSKY A

IPC: B01J2/00 ,  B41M7/02 ,  B41M1/06

CPC classification number: B41M7/02 ,  B01J2/006 ,  C10M2201/102 ,  C10M2201/103 ,  C10M2201/12 ,  C10M2205/022 ,  C10M2205/024 ,  C10M2205/04 ,  C10M2205/14 ,  C10M2205/16 ,  C10M2205/17 ,  C10M2207/021 ,  C10M2207/08 ,  C10M2207/125 ,  C10M2207/129 ,  C10M2207/281 ,  C10M2207/282 ,  C10M2207/283 ,  C10M2207/286 ,  C10M2209/04 ,  C10M2209/06 ,  C10M2209/062 ,  C10M2209/12 ,  C10M2211/06 ,  C10M2213/02 ,  C10M2213/062 ,  Y10T428/2991

Abstract: A POWDER IS DISCLOSED WHICH INCLUDES A RIGID CORE MATERIAL, E.G.-STARCH, ENCAPSULATED WITH AN OUTER SHELL OF A WAX OR WAX-LIKE MATERIAL WHICH HAS CERTAIN PREDETERMINED MELTING AND PENETRATION PROPERTIES, THE POWDER FINDING PARTICULAR UTILITY IN THE PRINTING FIELD FOR PREVENTING OFFSET AND THE LIKE. METHODS FOR MAKING THE WAX-ENCAPSULATED POWDER ARE ALSO DISCLOSED.