GB1439381A

GB1439381A – Alkaline earth carbonate products
– Google Patents

GB1439381A – Alkaline earth carbonate products
– Google Patents
Alkaline earth carbonate products

Info

Publication number
GB1439381A

GB1439381A
GB4165373A
GB4165373A
GB1439381A
GB 1439381 A
GB1439381 A
GB 1439381A
GB 4165373 A
GB4165373 A
GB 4165373A
GB 4165373 A
GB4165373 A
GB 4165373A
GB 1439381 A
GB1439381 A
GB 1439381A
Authority
GB
United Kingdom
Prior art keywords
mixture
alkaline earth
feeding
carbonate
earth carbonate
Prior art date
1972-09-05
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

Application number
GB4165373A
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.)

FMC Corp

Original Assignee
FMC Corp
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.)
1972-09-05
Filing date
1973-09-05
Publication date
1976-06-16

1973-09-05
Application filed by FMC Corp
filed
Critical
FMC Corp

1976-06-16
Publication of GB1439381A
publication
Critical
patent/GB1439381A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS

C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels

C03C1/02—Pretreated ingredients

C03C1/028—Ingredients allowing introduction of lead or other easily volatile or dusty compounds

Abstract

1439381 Alkaline earth carbonate products; preparation of glasses FMC CORP 5 Sept 1973 [5 Sept 1972] 41653/73 Headings C1A and C1M A dust free granular alkaline earth carbonate product preferably using barium or strontium carbonate, suitable for feed stock in glass furnaces and which is characterized by its graininess and hardness and capacity to be handled mechanically without generating fine dust, as an intercrystalline sintering agent, an alkali metal silicate in an amount providing from 0À05 -0À5% by wt. of silicate (expressed as SiO 2 ) which is sintered into the final composition. The product is formed by preparing the carbonate as a suspension in aqueous medium, reducing the water content thereof to form a wet mixture, feeding the wet mixture to a mechanical blending apparatus, during the feeding adding to the mixture preferably a sodium silicate aqueous solution in proportion to give 0À05- 0À5% by wt. as SiO 2 in the mixture, feeding this mixture to a drying sintering stage wherein the material is heated to 700-900 C. until sintered and thereafter grinding the material to a mesh size of – 16+140 (U.S. standard).

GB4165373A
1972-09-05
1973-09-05
Alkaline earth carbonate products

Expired

GB1439381A
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US00286478A

US3802901A
(en)

1972-09-05
1972-09-05
Method of forming granular alkaline earth carbonates

US430766A

US3883364A
(en)

1972-09-05
1974-01-04
Alkaline earth carbonates

Publications (1)

Publication Number
Publication Date

GB1439381A
true

GB1439381A
(en)

1976-06-16

Family
ID=26963852
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB4165373A
Expired

GB1439381A
(en)

1972-09-05
1973-09-05
Alkaline earth carbonate products

Country Status (5)

Country
Link

US
(2)

US3802901A
(en)

CA
(1)

CA999117A
(en)

DE
(1)

DE2340908A1
(en)

FR
(1)

FR2197816B1
(en)

GB
(1)

GB1439381A
(en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3967943A
(en)

*

1974-10-30
1976-07-06
Anchor Hocking Corporation
Method of improving glass batch melting by use of water glass

US4023976A
(en)

*

1976-01-23
1977-05-17
Fmc Corporation
Manufacture of glass using briquettes

US4042361A
(en)

*

1976-04-26
1977-08-16
Corning Glass Works
Method of densifying metal oxides

US4226635A
(en)

*

1979-06-04
1980-10-07
The Sherwin-Williams Company
Extended BaCO3 for brick scum prevention

US4264372A
(en)

*

1979-10-25
1981-04-28
The Georgia Marble Company
Calcium carbonate containing kaolin clay additive

US4888161A
(en)

*

1987-01-28
1989-12-19
Chemical Products Corporation
Method of forming dense, unsintered, granular alkaline earth metal carbonates

US4806331A
(en)

*

1987-01-30
1989-02-21
Chemical Products Corporation
Process of sintering alkaline earth metal carbonates

US4888308A
(en)

*

1987-02-10
1989-12-19
Chemical Products Corporation
Glass manufacture using dense, unsintered, granular alkaline earth metal carbonates

DE4229901C2
(en)

*

1992-09-08
2003-02-27
Solvay Barium Strontium Gmbh

Production of granulated strontium carbonate with binder containing strontium

US5395806A
(en)

*

1993-08-28
1995-03-07
Chemical Products Corporation
Dense, granular alkaline earth metal carbonate and alkali metal salt composition for use in glass manufacture

US5422320A
(en)

*

1994-04-20
1995-06-06
Chemical Products Corporation
Alkaline earth metal silicate compositions for use in glass manufacture

US6287997B1
(en)

1996-09-03
2001-09-11
Minerals Technologies Inc.
Method of producing synthetic silicates and use thereof in glass production

US6287378B1
(en)

1996-09-03
2001-09-11
Minerals Technologies, Inc.
Method of producing synthetic silicates and use thereof in glass production

US6211103B1
(en)

1999-10-12
2001-04-03
Minerals Technologies Inc.
Synthetic silicate pellet compositions

US6420289B1
(en)

1999-10-12
2002-07-16
Minerals Technologies Inc.
Synthetic silicate pellet composition and methods of making and using thereof

US6531421B2
(en)

2001-06-11
2003-03-11
Specialty Minerals (Michigan) Inc.
Method of reducing the amount of lithium in glass production

CN1307115C
(en)

2001-12-27
2007-03-28
密执安特种矿石公司
Method of manufacturing glass and compositions therefore

US7383699B2
(en)

*

2001-12-27
2008-06-10
Specialty Minerals (Michigan) Inc.
Method of manufacturing glass and compositions therefore

US7803730B2
(en)

*

2004-04-27
2010-09-28
Specialty Minerals (Michigan) Inc.
Method of manufacturing glass and compositions thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE371601C
(en)

*

1921-04-19
1923-03-16
Walter William Plowman

Process for cleaning or refining alkaline earth carbonates and magnesium carbonate

DE689628C
(en)

*

1937-03-01
1940-03-29
Non Metallic Minerals Inc

Process for the production of a calcareous glass mixture

US2540182A
(en)

*

1949-05-17
1951-02-06
Edgar Brothers Company
Treatment of flocculable and deflocculable material

DE846003C
(en)

*

1949-11-01
1952-08-07
Metallgesellschaft Ag

Process for sintering batches of glass

BE552786A
(en)

*

1955-11-23

US2865781A
(en)

*

1956-07-02
1958-12-23
Sinclair Mfg Company
Production of finely divided calcium carbonate

DE1031294B
(en)

*

1957-01-30
1958-06-04
Kali Chemie Ag

Process for the production of heavy barium carbonate

CH441252A
(en)

*

1959-10-16
1967-08-15
Bayer Ag

Process for the production of finely dispersed products containing calcium carbonate

US3133824A
(en)

*

1959-10-16
1964-05-19
Bayer Ag
Process for the production of finely dispersed calcium carbonate

DE1134974B
(en)

*

1959-10-16
1962-08-23
Bayer Ag

Process for the production of finely divided calcium carbonate

US3615811A
(en)

*

1968-02-29
1971-10-26
Chemical Products Corp
Carbonate compositions and process

1972

1972-09-05
US
US00286478A
patent/US3802901A/en
not_active
Expired – Lifetime

1973

1973-07-19
CA
CA176,885A
patent/CA999117A/en
not_active
Expired

1973-08-13
DE
DE19732340908
patent/DE2340908A1/en
not_active
Withdrawn

1973-09-03
FR
FR7331765A
patent/FR2197816B1/fr
not_active
Expired

1973-09-05
GB
GB4165373A
patent/GB1439381A/en
not_active
Expired

1974

1974-01-04
US
US430766A
patent/US3883364A/en
not_active
Expired – Lifetime

Also Published As

Publication number
Publication date

FR2197816A1
(en)

1974-03-29

CA999117A
(en)

1976-11-02

US3883364A
(en)

1975-05-13

DE2340908A1
(en)

1974-03-14

US3802901A
(en)

1974-04-09

FR2197816B1
(en)

1977-08-05

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Legal Events

Date
Code
Title
Description

1976-10-27
PS
Patent sealed [section 19, patents act 1949]

1981-04-08
PCNP
Patent ceased through non-payment of renewal fee

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