ATA100682A - METHOD FOR PRODUCING A SILICON DIOXIDE HYDROGEL - Google Patents

METHOD FOR PRODUCING A SILICON DIOXIDE HYDROGEL

Info

Publication number: ATA100682A
Authority: AT; Austria
Prior art keywords: producing; silicon dioxide; dioxide hydrogel; hydrogel; silicon
Prior art date: 1978-05-24

Application number

AT100682A

Other languages

German (de)

Other versions

AT391122B (en

Original Assignee

Grace W R & 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.)

1978-05-24

Filing date

1982-03-12

Publication date

1990-02-15

1978-05-24 Priority claimed from US05/909,149 external-priority patent/US4303641A/en

1982-03-12 Application filed by Grace W R & Co filed Critical Grace W R & Co

1982-03-12 Priority to AT100682A priority Critical patent/AT391122B/en

1990-02-15 Publication of ATA100682A publication Critical patent/ATA100682A/en

1990-08-27 Application granted granted Critical

1990-08-27 Publication of AT391122B publication Critical patent/AT391122B/en

Links

VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 2
239000000017 hydrogel Substances 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
235000012239 silicon dioxide Nutrition 0.000 title 1
239000000377 silicon dioxide Substances 0.000 title 1

AT100682A 1978-05-24 1982-03-12 Process for producing a silicon dioxide hydrogel AT391122B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT100682A AT391122B (en)	1978-05-24	1982-03-12	Process for producing a silicon dioxide hydrogel

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US05/909,149 US4303641A (en)	1978-05-24	1978-05-24	Hydrous silica gel containing dentifrice
AT0379179A AT372277B (en)	1978-05-24	1979-05-23	DENTAL CLEANER COMPOSITION AND METHOD FOR PRODUCING THE SAME
AT100682A AT391122B (en)	1978-05-24	1982-03-12	Process for producing a silicon dioxide hydrogel

Publications (2)

Publication Number	Publication Date
ATA100682A true ATA100682A (en)	1990-02-15
AT391122B AT391122B (en)	1990-08-27

Family

ID=27146979

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT100682A AT391122B (en)	1978-05-24	1982-03-12	Process for producing a silicon dioxide hydrogel

Country Status (1)

Country	Link
AT (1)	AT391122B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1266741B (en) *	1963-06-01	1968-04-25	Mobil Oil Corp	Process for the partial dehydration and volume reduction of silica hydrogels
FR2093176A5 (en) *	1970-06-04	1972-01-28	Pechiney Saint Gobain
DE2629709C2 (en) *	1976-07-02	1982-06-03	Ibm Deutschland Gmbh, 7000 Stuttgart	Process for the production of a metal ion-free amorphous silicon dioxide and a polishing agent produced therefrom for the mechanical polishing of semiconductor surfaces

1982
- 1982-03-12 AT AT100682A patent/AT391122B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT391122B (en)	1990-08-27

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Legal Events

Date	Code	Title	Description
1993-11-15	ELJ	Ceased due to non-payment of the annual fee
1995-08-15	REN	Ceased due to non-payment of the annual fee