FR2178870A1 - - Google Patents
Info
- Publication number
- FR2178870A1 FR2178870A1 FR7307204A FR7307204A FR2178870A1 FR 2178870 A1 FR2178870 A1 FR 2178870A1 FR 7307204 A FR7307204 A FR 7307204A FR 7307204 A FR7307204 A FR 7307204A FR 2178870 A1 FR2178870 A1 FR 2178870A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/157—After-treatment of gels
- C01B33/158—Purification; Drying; Dehydrating
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00241841A US3800031A (en) | 1972-04-06 | 1972-04-06 | Process for preparing silica hydrogel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2178870A1 true FR2178870A1 (US20100175706A1-20100715-C00006.png) | 1973-11-16 |
Family
ID=22912396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7307204A Withdrawn FR2178870A1 (US20100175706A1-20100715-C00006.png) | 1972-04-06 | 1973-02-20 |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0218004A2 (en) * | 1985-10-08 | 1987-04-15 | Kawatetsu Mining Company, Ltd. | A purification process of silica |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303641A (en) * | 1978-05-24 | 1981-12-01 | W. R. Grace & Co. | Hydrous silica gel containing dentifrice |
| US4847235A (en) * | 1986-02-03 | 1989-07-11 | Scm Glidco Organics Corp. | Silica product |
| US5215733A (en) * | 1986-04-25 | 1993-06-01 | Unilever Patent Holdings B.V. | Manufacture of silica gels using shear to reduce the particle size prior to washing with a hydrocyclone |
| US4767429A (en) * | 1986-12-11 | 1988-08-30 | American Telephone & Telegraph Co., At&T Bell Laboratories | Glass body formed from a vapor-derived gel and process for producing same |
| FR2622565B1 (fr) * | 1987-11-04 | 1990-11-09 | Rhone Poulenc Chimie | Silice pour compositions dentifrices compatible notamment avec le zinc |
| US5614177A (en) * | 1987-11-04 | 1997-03-25 | Rhone-Poulenc Chimie | Dentifrice-compatible silica particulates |
| US5286478A (en) * | 1987-11-04 | 1994-02-15 | Rhone-Poulenc Chimie | Dentifrice-compatible silica particulates |
| FR2632185B1 (fr) * | 1988-06-01 | 1992-05-22 | Rhone Poulenc Chimie | Silice pour compositions dentifrices compatible notamment avec le zinc |
| FR2649089B1 (fr) * | 1989-07-03 | 1991-12-13 | Rhone Poulenc Chimie | Silice a porosite controlee et son procede d'obtention |
| US5149553A (en) * | 1989-10-12 | 1992-09-22 | Pq Corporation | Beer processing and composition |
| 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. |
| WO1995009127A1 (fr) | 1993-09-29 | 1995-04-06 | Rhone-Poulenc Chimie | Silice precipitee |
| US6001322A (en) | 1993-09-29 | 1999-12-14 | Rhone-Poulenc Chimie | Precipitated silicas |
| US6258864B1 (en) | 1999-01-20 | 2001-07-10 | Cabot Corporation | Polymer foam containing chemically modified carbonaceous filler |
| US6586501B1 (en) | 1999-01-20 | 2003-07-01 | Cabot Corporation | Aggregates having attached polymer groups and polymer foams |
| US6555151B2 (en) * | 2001-01-12 | 2003-04-29 | Pq Corporation | Process for making and using a low beverage soluble iron content adsorbent and composition made thereby |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA541212A (en) * | 1957-05-21 | B. Miller Ernest | Silica gel and method of manufacturing the same | |
| US2358201A (en) * | 1940-08-28 | 1944-09-12 | Infilco Inc | Preparation of gels |
| US2424232A (en) * | 1943-01-22 | 1947-07-22 | Davison Chemical Corp | Gel manufacturing apparatus |
| US2462236A (en) * | 1945-07-30 | 1949-02-22 | Universal Oil Prod Co | Manufacture of silica hydrogel and catalysts |
| CH341802A (de) * | 1955-02-03 | 1959-10-31 | Basf Ag | Verfahren zur kontinuierlichen Herstellung kieselsäurehaltiger Hydrogele |
| US3243262A (en) * | 1963-02-18 | 1966-03-29 | Grace W R & Co | Process for preparing microspheroidal silica |
| US3453077A (en) * | 1965-05-04 | 1969-07-01 | Grace W R & Co | Process for preparing microspheroidal silica |
| US3716493A (en) * | 1971-02-26 | 1973-02-13 | Grace W R & Co | Process for making fine sized low density silica |
-
1972
- 1972-04-06 US US00241841A patent/US3800031A/en not_active Expired - Lifetime
-
1973
- 1973-02-09 CA CA163,378A patent/CA990170A/en not_active Expired
- 1973-02-14 IT IT20398/73A patent/IT979116B/it active
- 1973-02-20 FR FR7307204A patent/FR2178870A1/fr not_active Withdrawn
- 1973-02-27 AU AU52670/73A patent/AU5267073A/en not_active Expired
- 1973-02-28 DE DE19732309856 patent/DE2309856A1/de not_active Ceased
- 1973-03-07 GB GB1112473A patent/GB1359448A/en not_active Expired
- 1973-03-16 JP JP48030146A patent/JPS499498A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0218004A2 (en) * | 1985-10-08 | 1987-04-15 | Kawatetsu Mining Company, Ltd. | A purification process of silica |
| EP0218004A3 (en) * | 1985-10-08 | 1988-04-06 | Kawatetsu Mining Company, Ltd. | A purification process of silica |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1359448A (en) | 1974-07-10 |
| AU5267073A (en) | 1974-08-29 |
| IT979116B (it) | 1974-09-30 |
| US3800031A (en) | 1974-03-26 |
| DE2309856A1 (de) | 1973-10-18 |
| CA990170A (en) | 1976-06-01 |
| JPS499498A (US20100175706A1-20100715-C00006.png) | 1974-01-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |