DE3684427D1 - Kugelfoermige kieselsauere. - Google Patents

Kugelfoermige kieselsauere.

Info

Publication number
DE3684427D1
DE3684427D1 DE8686309410T DE3684427T DE3684427D1 DE 3684427 D1 DE3684427 D1 DE 3684427D1 DE 8686309410 T DE8686309410 T DE 8686309410T DE 3684427 T DE3684427 T DE 3684427T DE 3684427 D1 DE3684427 D1 DE 3684427D1
Authority
DE
Germany
Prior art keywords
spherical shaft
acid
silica
spheroids
shaft acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8686309410T
Other languages
German (de)
English (en)
Inventor
Michael Joseph Garvey
Ian Charles Griffiths
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever NV
Original Assignee
Unilever NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever NV filed Critical Unilever NV
Application granted granted Critical
Publication of DE3684427D1 publication Critical patent/DE3684427D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Toilet Supplies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Sliding-Contact Bearings (AREA)
DE8686309410T 1985-12-05 1986-12-03 Kugelfoermige kieselsauere. Expired - Fee Related DE3684427D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858529970A GB8529970D0 (en) 1985-12-05 1985-12-05 Spheroidal silica

Publications (1)

Publication Number Publication Date
DE3684427D1 true DE3684427D1 (de) 1992-04-23

Family

ID=10589286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686309410T Expired - Fee Related DE3684427D1 (de) 1985-12-05 1986-12-03 Kugelfoermige kieselsauere.

Country Status (9)

Country Link
US (1) US4778667A (OSRAM)
EP (1) EP0227346B1 (OSRAM)
JP (1) JPS62153112A (OSRAM)
AT (1) ATE73736T1 (OSRAM)
CA (1) CA1276003C (OSRAM)
DE (1) DE3684427D1 (OSRAM)
ES (1) ES2032387T3 (OSRAM)
GB (1) GB8529970D0 (OSRAM)
GR (1) GR3004411T3 (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5112612A (en) * 1987-06-05 1992-05-12 Unilever Patent Holdings B.V. Spheroidal silica
GB8713263D0 (en) * 1987-06-05 1987-07-08 Unilever Plc Spheroidal silica
US4954285A (en) * 1988-03-07 1990-09-04 The Procter & Gamble Company Perfume, particles, especially for use in dryer released fabric softening/antistatic agents
FR2646673B1 (fr) * 1989-05-02 1991-09-06 Rhone Poulenc Chimie Silice sous forme de bille, procede de preparation et son utilisation au renforcement des elastomeres
GB9021061D0 (en) * 1990-09-27 1990-11-07 Unilever Plc Encapsulating method and products containing encapsulated material
JP2799773B2 (ja) 1993-09-29 1998-09-21 ローヌ−プーラン シミ 沈降シリカ
US6001322A (en) 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
FR2710630B1 (fr) * 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
US6169135B1 (en) 1993-09-29 2001-01-02 Rhone Poulenc Chimie Precipitated silica
JP3444670B2 (ja) * 1993-12-28 2003-09-08 水澤化学工業株式会社 粒状非晶質シリカの製造方法
US6083997A (en) * 1998-07-28 2000-07-04 Nalco Chemical Company Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking
GB2355711B (en) 1999-10-27 2003-12-24 Agilent Technologies Inc Porous silica microsphere scavengers
FR2857351B1 (fr) 2003-07-10 2005-08-26 Rhodia Chimie Sa Procede de preparation d'agregats anisotropes de silice
AR066831A1 (es) 2007-06-07 2009-09-16 Akzo Nobel Nv Soles a base de silice
KR102249481B1 (ko) * 2014-04-30 2021-05-07 코오롱인더스트리 주식회사 폴리에스테르 필름 및 이의 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1567459B1 (de) * 1966-06-18 1970-10-29 Degussa Verfahren zur Herstellung feinteiliger,organisch modifizierter Kieselsaeuren
GB1231385A (OSRAM) * 1967-08-04 1971-05-12
US3852076A (en) * 1972-02-22 1974-12-03 Ryan J Aqueous method of microencapsulation and capsules
US3855172A (en) * 1972-04-07 1974-12-17 Du Pont Uniform oxide microspheres and a process for their manufacture
GB1452896A (en) * 1972-12-21 1976-10-20 Nat Res Dev Packing materials
CS179184B1 (en) * 1975-07-25 1977-10-31 Stanislav Vozka Method for preparation of precisely spherical particles of silica gel with controlled size and controled size pores.
US4070286A (en) * 1976-06-15 1978-01-24 E. I. Du Pont De Nemours And Company Macroporous microspheroids and a process for their manufacture
CS196794B1 (en) * 1977-09-23 1980-04-30 Dusan Berek Method of preparation of spherical microelements
JPS5926911A (ja) * 1982-08-04 1984-02-13 Toyo Soda Mfg Co Ltd 球状多孔性シリカゲルおよびその製造法

Also Published As

Publication number Publication date
EP0227346A2 (en) 1987-07-01
GB8529970D0 (en) 1986-01-15
EP0227346A3 (en) 1989-06-14
JPS62153112A (ja) 1987-07-08
ES2032387T3 (es) 1993-02-16
JPH0522646B2 (OSRAM) 1993-03-30
US4778667A (en) 1988-10-18
EP0227346B1 (en) 1992-03-18
ATE73736T1 (de) 1992-04-15
GR3004411T3 (OSRAM) 1993-03-31
CA1276003C (en) 1990-11-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee