DE2446546A1 - Verfahren zur herstellung eines fuellstoffes - Google Patents

Verfahren zur herstellung eines fuellstoffes

Info

Publication number
DE2446546A1
DE2446546A1 DE19742446546 DE2446546A DE2446546A1 DE 2446546 A1 DE2446546 A1 DE 2446546A1 DE 19742446546 DE19742446546 DE 19742446546 DE 2446546 A DE2446546 A DE 2446546A DE 2446546 A1 DE2446546 A1 DE 2446546A1
Authority
DE
Germany
Prior art keywords
acid
temperature
silicon dioxide
silica
filler
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.)
Pending
Application number
DE19742446546
Other languages
German (de)
English (en)
Inventor
Jun Henry L Lee
Jan A Orlowski
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.)
Lee Pharmaceuticals Inc
Original Assignee
Lee Pharmaceuticals Inc
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 Lee Pharmaceuticals Inc filed Critical Lee Pharmaceuticals Inc
Publication of DE2446546A1 publication Critical patent/DE2446546A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C09C1/309—Combinations of treatments provided for in groups C09C1/3009 - C09C1/3081
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
    • A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding or treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Preparations (AREA)
  • Silicon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19742446546 1973-09-28 1974-09-28 Verfahren zur herstellung eines fuellstoffes Pending DE2446546A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40180873A 1973-09-28 1973-09-28

Publications (1)

Publication Number Publication Date
DE2446546A1 true DE2446546A1 (de) 1975-04-17

Family

ID=23589308

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742446546 Pending DE2446546A1 (de) 1973-09-28 1974-09-28 Verfahren zur herstellung eines fuellstoffes

Country Status (6)

Country Link
JP (1) JPS50160351A (https=)
AU (1) AU7381874A (https=)
DE (1) DE2446546A1 (https=)
FR (1) FR2246497B1 (https=)
GB (1) GB1479329A (https=)
ZA (1) ZA746188B (https=)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2405578A1 (de) * 1974-02-06 1975-08-14 Kulzer & Co Gmbh Polymerisierbares bindemittel enthaltender dentalwerkstoff und daraus hergestellte zaehne und zahnersatzteile
JPS5298391A (en) * 1976-02-09 1977-08-18 Minnesota Mining & Mfg Dental repair composition
EP0113926B1 (de) 1983-01-07 1986-11-12 Ernst Mühlbauer KG Verwendung oberflächenverkleinerter Kieselgele als Füllstoff für Dentalmassen
DE4446033A1 (de) * 1994-12-23 1996-06-27 Heraeus Kulzer Gmbh Polymerisierbares Dentalmaterial
EP4205724A1 (de) 2021-12-29 2023-07-05 Ivoclar Vivadent AG Selbsthaftende dentale kompositzemente mit guter transparenz auf basis säurebehandelter füllstoffe
EP4488243A1 (de) 2023-07-04 2025-01-08 Ivoclar Vivadent AG Säurestabile glasfüllstoffe und diese enthaltende selbsthaftende dentale kompositzemente mit guter transparenz

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192388A (en) * 1986-05-09 1988-01-13 Longcliffe Quarries Ltd Process for leaching silica sand to reduce the iron content thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2405578A1 (de) * 1974-02-06 1975-08-14 Kulzer & Co Gmbh Polymerisierbares bindemittel enthaltender dentalwerkstoff und daraus hergestellte zaehne und zahnersatzteile
JPS5298391A (en) * 1976-02-09 1977-08-18 Minnesota Mining & Mfg Dental repair composition
EP0113926B1 (de) 1983-01-07 1986-11-12 Ernst Mühlbauer KG Verwendung oberflächenverkleinerter Kieselgele als Füllstoff für Dentalmassen
US4906446A (en) * 1983-01-07 1990-03-06 Engelbrecht Juergen Filler for dental materials and dental materials containing the same
DE4446033A1 (de) * 1994-12-23 1996-06-27 Heraeus Kulzer Gmbh Polymerisierbares Dentalmaterial
US5708051A (en) * 1994-12-23 1998-01-13 Heraeus Kulzer Gmbh Polymerizable dental material
EP0717976A3 (de) * 1994-12-23 2000-03-29 Heraeus Kulzer GmbH & Co.KG Polymerisierbares Dentalmaterial
EP4205724A1 (de) 2021-12-29 2023-07-05 Ivoclar Vivadent AG Selbsthaftende dentale kompositzemente mit guter transparenz auf basis säurebehandelter füllstoffe
EP4488243A1 (de) 2023-07-04 2025-01-08 Ivoclar Vivadent AG Säurestabile glasfüllstoffe und diese enthaltende selbsthaftende dentale kompositzemente mit guter transparenz

Also Published As

Publication number Publication date
JPS50160351A (https=) 1975-12-25
ZA746188B (en) 1975-11-26
FR2246497B1 (https=) 1977-10-21
AU7381874A (en) 1976-04-01
GB1479329A (en) 1977-07-13
FR2246497A1 (https=) 1975-05-02

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