Global Patent Index - EP 0931018 A4

EP 0931018 A4 20000223 - METHOD OF INHIBITING GELLING OF SILOXANE FEEDSTOCKS AND A GEL INHIBITED FEEDSTOCK

Title (en)

METHOD OF INHIBITING GELLING OF SILOXANE FEEDSTOCKS AND A GEL INHIBITED FEEDSTOCK

Title (de)

VERFAHREN ZUR INHIBIERUNG VON SILOXANGELIERTEN EINSÄTZE UND GEL INHIBIERTER EINSATZ

Title (fr)

PROCEDE D'INHIBITION DE LA GELIFICATION DE CHARGES DE SILOXANE ET CHARGE INHIBEE PAR UN GEL

Publication

EP 0931018 A4 (EN)

Application

EP 97910721 A

Priority

  • US 9717495 W
  • US 2800896 P

Abstract (en)

[origin: WO9815499A1] A method of inhibiting the gelling of a silica forming siloxane feedstock and the gelling inhibited silica feedstock which includes an end capping compound. The method of inhibiting the gelling of a siloxane feedstock during the silica glass manufacturing process includes end capping the siloxane feedstock prior to converting the siloxane feedstock into silica.

IPC 1-7

C03B 19/14; C01B 33/12; C03C 1/02

IPC 8 full level

B01F 3/00 (2006.01); C01B 33/12 (2006.01); C01B 33/152 (2006.01); C01B 33/32 (2006.01); C03B 19/14 (2006.01); C03C 1/02 (2006.01); C07F 7/08 (2006.01); C07F 7/21 (2006.01)

CPC (source: EP)

C03B 19/1415 (2013.01); C03B 2207/32 (2013.01)

Citation (search report)

  • [PA] WO 9722553 A1 19970626 - CORNING INC [US], et al
  • [A] CHEMICAL ABSTRACTS, vol. 111, no. 4, 24 July 1989, Columbus, Ohio, US; abstract no. 27441, UNUMA HIDERO ET AL.: "Preparation of silica glass fibers tetraethylorthosilicate and hexamethyldisiloxane" XP002125070 & NIPPON SERAMIKKUSU KYOKAI GAKUJUTSU RONBUNSHI, vol. 97, no. 3, 1989, pages 208 - 212
  • [PA] TAKAHISA IDA ET AL.: "A facile preparation of polysiloxane containing tributylin group as efficient protection group", CHEMISTRY LETTERS., no. 12, 1996, CHEMICAL SOCIETY OF JAPAN. TOKYO., JP, pages 1047 - 1048, XP002125109, ISSN: 0366-7022
  • See also references of WO 9815499A1

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

WO 9815499 A1 19980416; AU 4802297 A 19980505; CA 2267794 A1 19980416; CN 1232436 A 19991020; EP 0931018 A1 19990728; EP 0931018 A4 20000223; JP 2001502312 A 20010220

DOCDB simple family (application)

US 9717495 W 19970925; AU 4802297 A 19970925; CA 2267794 A 19970925; CN 97198564 A 19970925; EP 97910721 A 19970925; JP 51757898 A 19970925