US3796792A
Expired / Lapsed
US
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Composite metal hydroxides
Assignee: Kyowa Chemical Industry Co Ltd
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Filing: 1970-12-08
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Granted: 1974-03-12
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Expires: 1990-12-08
Abstract
Abstract A COMPOSITE METAL HYDROXIDE EXPRESSED BY THE FOLLOWING COMPOSITION FORMULA: MGXMY3+(OH)2X+3Y-2Z(A2-)2 AH2O SUCH COMPOSITE METAL HYDROXIDE HAVING A LAYER CRYSTAL STRUCTURE AND EXHIBITING AN ENDOTHERMAL PEAK OWING TO ISOLATION OF CRYSTAL WATER AT A TEMPERATURE EXCEEDING 170* C. IN THE DIFFERENTIAL THERMAL ANALYSIS.
Inventors
- 👤 S Miyata
- 👤 M Shimada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:49
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0081; A; A61; A61K; A61K33/00; A61K33/06; B; B01; B01J; B01J20/00; B01J20/02; B01J20/06; B01J21/00; B01J21/10; B01J23/00; B01J23/007; B01J23/16; B01J23/24; B01J23/26; B01J23/70; B01J23/74; B01J23/745; B01J27/00; B01J27/20; B01J27/232; B01J37/00; B01J37/02; B01J37/03; B01J41/00; B01J41/08; B01J41/10; C01; C01B; C01B13/00; C01B13/14; C01B13/36; C01B13/363; C01G; C01G1/00; C01G1/10; C01P; C01P2002/00; C01P2002/04; C01P2002/20; C01P2002/22; C01P2002/70; C01P2002/72; C01P2002/74; C01P2002/77; C01P2002/80; C01P2002/82; C01P2002/88; C01P2006/00; C01P2006/10; C01P2006/32; C01P2006/37; C01P2006/80
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |