-
1.Powdered glass for use in drafting surfaces and in a diazo-type materials 失效
Title translation: 用于冲洗表面和DIAZO型材料的粉末玻璃公开(公告)号:US3624021A
公开(公告)日:1971-11-30
申请号:US3624021D
申请日:1965-07-06
Applicant: GAF CORP
Inventor: BARBA ANDREW M
IPC: B44D3/18 , C08J7/04 , C08L61/24 , C09D131/04 , C09D161/24 , D21H19/40 , G03C1/52 , G03C1/61 , G03C1/95 , C08C11/28 , C08C11/32
CPC classification number: C08J7/047 , B44D3/18 , C08J2461/00 , C08L61/24 , C09D131/04 , C09D161/24 , D21H19/40 , G03C1/52 , G03C1/61 , G03C1/95 , C08L2666/14 , C08L2666/54 , C08L2666/04
Abstract: Sheet material, useful for drafting, and diazo-type materials, having dispersed therein glass powder in a particle size range of 1 to 20 microns.