DE3777579D1 - Verfahren zur porositaetskontrolle und rehydroxylierung von kieselkoerpern. - Google Patents

Verfahren zur porositaetskontrolle und rehydroxylierung von kieselkoerpern.

Info

Publication number
DE3777579D1
DE3777579D1 DE8787311253T DE3777579T DE3777579D1 DE 3777579 D1 DE3777579 D1 DE 3777579D1 DE 8787311253 T DE8787311253 T DE 8787311253T DE 3777579 T DE3777579 T DE 3777579T DE 3777579 D1 DE3777579 D1 DE 3777579D1
Authority
DE
Germany
Prior art keywords
rehydroxylation
pebble
bodies
porosity control
porosity
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 - Lifetime
Application number
DE8787311253T
Other languages
English (en)
Inventor
Geoffrey Bryon Cox
Richard Wayne Stout
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.)
Agilent Technologies Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE3777579D1 publication Critical patent/DE3777579D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Silicon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE8787311253T 1986-12-23 1987-12-21 Verfahren zur porositaetskontrolle und rehydroxylierung von kieselkoerpern. Expired - Lifetime DE3777579D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94579286A 1986-12-23 1986-12-23

Publications (1)

Publication Number Publication Date
DE3777579D1 true DE3777579D1 (de) 1992-04-23

Family

ID=25483562

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787311253T Expired - Lifetime DE3777579D1 (de) 1986-12-23 1987-12-21 Verfahren zur porositaetskontrolle und rehydroxylierung von kieselkoerpern.

Country Status (4)

Country Link
EP (1) EP0272904B1 (de)
JP (2) JPS63170211A (de)
CA (1) CA1331337C (de)
DE (1) DE3777579D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506919C2 (sv) * 1991-11-08 1998-03-02 Munters Ab Carl Förfarande för behandling av en kontaktkropp för utbyte av värme, fukt eller liknande
DE10239144A1 (de) 2002-08-27 2004-03-18 Degussa Ag Dispersion
EP3737495A4 (de) 2018-01-12 2021-10-20 Restek Corporation Oberflächlich poröse partikel und verfahren zur herstellung von oberflächlich porösen partikeln
WO2021188945A1 (en) 2020-03-20 2021-09-23 Restek Corporation Spike particles, superficially porous spike particles, chromatographic separation devices, and processes for forming spike particles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485687A (en) * 1966-07-15 1969-12-23 Corning Glass Works Porous high silica glass
US3453806A (en) * 1966-10-26 1969-07-08 Corning Glass Works Chromatography method and apparatus
US3650960A (en) * 1969-05-06 1972-03-21 Allied Chem Etching solutions
US3881944A (en) * 1972-12-11 1975-05-06 Corning Glass Works Porous glass-ceramic bodies for catalyst supports
US4376641A (en) * 1981-12-14 1983-03-15 The Dow Chemical Company Coated capillary chromatographic column

Also Published As

Publication number Publication date
EP0272904A2 (de) 1988-06-29
CA1331337C (en) 1994-08-09
JPH0524083B2 (de) 1993-04-06
EP0272904B1 (de) 1992-03-18
EP0272904A3 (en) 1988-11-09
JPS63170211A (ja) 1988-07-14
JPH0672006B2 (ja) 1994-09-14
JPH05246709A (ja) 1993-09-24

Similar Documents

Publication Publication Date Title
DE3789650D1 (de) Verfahren und System zur Festkörpermodellierung.
DE3579972D1 (de) Verfahren und vorrichtung zur eigendiagnose von stellgliedern.
ATE29070T1 (de) System und verfahren zur zellenauswahl.
DE3788226D1 (de) System und verfahren zur transkutanen fruchtbarkeitskontrolle.
DE3482344D1 (de) Verfahren zur modellierung von systembetrieb von statischen und dynamischen schaltungseinrichtungen.
DE3787921D1 (de) Ringnetzsystem und Verfahren zur Konfigurationssteuerung.
DE3580412D1 (de) Verfahren und vorrichtung zur bewegungssteuerung von magneten.
DE3678322D1 (de) Verfahren und geraet zur interpolation von bildsignalen.
DE3782801D1 (de) Verfahren zur schlagfeld-freund-feind-kennung und system zum ausfuehren davon.
DE3786977D1 (de) Systeme und verfahren zur prozessregelung.
DE3671885D1 (de) Fliessbeton und verfahren zur herstellung von fliessbeton.
DE3751391D1 (de) Verfahren und Vorrichtung zur Speichersteuerung.
DE3863170D1 (de) Mesophasenpech zur herstellung von kohlenstoffkoerpern und verfahren zur herstellung derselben.
DE3783396D1 (de) Verfahren zur herstellung von bishomo-gamma-linolensaeure und eicosapentaensaeure.
DE3852923D1 (de) Verfahren und System zur sequenziellen Steuerung.
AT385915B (de) Verfahren zur katalysator-steuerung und -regelung
DE3688718D1 (de) Verfahren und system zur gleichmaessigen verschiebung.
DE3578751D1 (de) Verfahren und system zur regelung von flugzeugbremsen.
DE3870633D1 (de) Verfahren zur herstellung von butyrolactonen und von butandiolen.
DE3789887D1 (de) Verfahren und Apparat zur Prüfung von Gesamtblut.
DE3673223D1 (de) Verfahren und vorrichtung zur herstellung von glaskoerpern.
DE3671621D1 (de) Verfahren und vorrichtungen zur herstellung von glaskoerpern.
DE3671620D1 (de) Verfahren und vorrichtung zur herstellung von glaskoerpern.
DE3679430D1 (de) Verfahren und vorrichtungen zur herstellung von glaskoerpern.
DE3684511D1 (de) Verfahren zur herstellung von l-threonin und l-isoleucin.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8328 Change in the person/name/address of the agent

Free format text: BUSSE & BUSSE PATENTANWAELTE, 49084 OSNABRUECK

8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE VON KREISLER, SELTING, WERNER ET COL., 50667 KOELN

8339 Ceased/non-payment of the annual fee