公开(公告)号：US5248637A

公开(公告)日：1993-09-28

申请号：US873206

申请日：1992-04-24

Applicant: Naoki Taneda ,  Kouichi Numata ,  Takashi Mukaiyama

Inventor： Naoki Taneda ,  Kouichi Numata ,  Takashi Mukaiyama

IPC: C03B37/01 ,  C03C1/00 ,  C03C3/06 ,  C03C13/00 ,  C03C13/02 ,  C30B35/00

CPC classification number: C03C13/00 ,  C03B37/011 ,  C03C1/006 ,  C03C3/06 ,  C30B35/00 ,  C03C2201/32 ,  C03C2201/42 ,  C03C2203/26

Abstract: Highly heat resistant glass fiber which comprises from 0.1 to 2.0 wt % of Al.sub.2 O.sub.3, from 0.1 to 2.0 wt % of TiO.sub.2, from 96 to 99.8 wt % of SiO.sub.2 and not more than 0.03 wt % of the sum of alkali metal oxides and alkaline earth metal oxides.

公开(公告)号：US5307821A

公开(公告)日：1994-05-03

申请号：US691497

申请日：1991-04-25

Applicant: Katsutoshi Misuda ,  Hitoshi Kijimuta ,  Kouichi Numata ,  Masaharu Tanaka ,  Yoshinori Katayama ,  Iku Tomari ,  Toshiro Samejima

Inventor： Katsutoshi Misuda ,  Hitoshi Kijimuta ,  Kouichi Numata ,  Masaharu Tanaka ,  Yoshinori Katayama ,  Iku Tomari ,  Toshiro Samejima

IPC: A24B15/28 ,  A24B15/10

CPC classification number: A24B15/28

Abstract: The present invention relates to a method for producing a tobacco raw material having at least a part of its surface coated with a silical gel, which comprises adding silica sol to the tobacco raw material and subjecting the silical gel to gelation.

Abstract translation: 本发明涉及一种生产烟草原料的方法，其中至少部分表面涂有硅胶，其中包括向烟草原料中加入二氧化硅溶胶并使硅胶凝胶化。