US4053567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum and magnesium perchlorate-hydrazine complexes
Assignee: Honeywell International Inc
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Filing: 1965-04-21
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Granted: 1977-10-11
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Expires: 1985-04-21
Abstract
Abstract 1. A compound of the formula Al(ClO.sub.4).sub.3 ·[Mg(ClO.sub.4).sub.2 ].sub.x · yN 2 H 4 wherein x is a member selected from the group consisting of 0 and 1, y is a member selected from the group consisting of 6 and 8 and when x is 0, y is 6; when x is 1, y is 8.
Inventors
- 👤 Gerhard Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:41
CPC Classifications
C; C06; C06B; C06B43/00; C01; C01B; C01B21/00; C01B21/082; C01B21/16; C06B47/00; C06B47/02; C06B47/08
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
52 words
A compound of the formula Al(ClO.sub.4).sub.3 ·[Mg(ClO.sub.4).sub.2 ].sub.x ·yN.sub.2 H.sub.4 wherein x is a member selected from the group consisting of 0 and 1, y is a member selected from the group consisting of 6 and 8 and when x is 0, y is 6; when x is 1, y is 8.
Claim 2
Dependent Claim
52 words
A compound of the formula Al(ClO.sub.4).sub.3 ·[Mg(ClO.sub.4).sub.2 ].sub.x ·yN.sub.2 H.sub.4 wherein x is a member selected from the group consisting of 0 and 1, y is a member selected from the group consisting of 6 and 8 and when x is 0, y is 6; when x is 1, y is 8.
Claim 3
Dependent Claim
10 words
The compound Al(ClO 4 ) 3 ·6N 2 H 4
Claim 4
Dependent Claim
10 words
The compound Al(ClO 4 ) 3 ·6N 2 H 4
Claim 5
Dependent Claim
14 words
The compound Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4
Claim 6
Dependent Claim
14 words
The compound Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4
Claim 7
Independent Claim
21 words
The method of preparing anhydrous Al(ClO 4 ) 3 which comprises mixing Al(ClO 4 ) 3 ·9H 2 O and 2,2'-dimethoxypropane.
Claim 8
Independent Claim
21 words
The method of preparing anhydrous Al(ClO 4 ) 3 which comprises mixing Al(ClO 4 ) 3 ·9H 2 O and 2,2'-dimethoxypropane.
Claim 9
Independent Claim
25 words
The method of preparing Al(ClO 4 ) 3 ·6N 2 H 4 which comprises precipitating said composition from anhydrous Al(ClO 4 ) 3 with hydrazine.
Claim 10
Independent Claim
25 words
The method of preparing Al(ClO 4 ) 3 ·6N 2 H 4 which comprises precipitating said composition from anhydrous Al(ClO 4 ) 3 with hydrazine.
Claim 11
Independent Claim
38 words
The method of preparing Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 which comprises precipitating said composition from a mixture of anhydrous Al(ClO 4 ) 3 and anhydrous Mg(ClO 4 ) 2 with hydrazine.
Claim 12
Independent Claim
38 words
The method of preparing Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 which comprises precipitating said composition from a mixture of anhydrous Al(ClO 4 ) 3 and anhydrous Mg(ClO 4 ) 2 with hydrazine.
Claim 13
Independent Claim
55 words
The method of preparing Al(ClO 4 ) 3 ·6N 2 H 4 which comprises the steps of mixing Al(ClO 4 ) 3 ·9H 2 O and 2,2'-dimethoxypropane to form anhydrous Al(ClO 4 ) 3 and reacting hydrazine with said anhydrous Al(ClO 4 ) 3 to precipitate Al(ClO 4 ) 3 ·6N 2 H 4 .
Claim 14
Independent Claim
55 words
The method of preparing Al(ClO 4 ) 3 ·6N 2 H 4 which comprises the steps of mixing Al(ClO 4 ) 3 ·9H 2 O and 2,2'-dimethoxypropane to form anhydrous Al(ClO 4 ) 3 and reacting hydrazine with said anhydrous Al(ClO 4 ) 3 to precipitate Al(ClO 4 ) 3 ·6N 2 H 4 .
Claim 15
Dependent Claim
16 words
The process of claim 7 in which both steps are carried out in an inert atmosphere.
Claim 16
Independent Claim
76 words
The method of preparing Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 which comprises the steps of mixing Al(ClO 4 ) 3 ·9H 2 O, Mg(ClO 4 ) 2 ·6H 2 O and 2,2'-dimethoxypropane to form a mixture of anhydrous Al(ClO 4 ) 3 and anhydrous Mg(ClO 4 ) 2 and reacting hydrazine with said anhydrous mixture to precipitate Al(ClO) 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 .
Claim 17
Independent Claim
76 words
The method of preparing Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 which comprises the steps of mixing Al(ClO 4 ) 3 ·9H 2 O, Mg(ClO 4 ) 2 ·6H 2 O and 2,2'-dimethoxypropane to form a mixture of anhydrous Al(ClO 4 ) 3 and anhydrous Mg(ClO 4 ) 2 and reacting hydrazine with said anhydrous mixture to precipitate Al(ClO) 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 .
Claim 18
Dependent Claim
23 words
The process of claim 9 wherein anhydrous Mg(ClO 4 ) 2 is used in place of Mg(ClO 4 ) 2 ·6H 2 O.
Claim 19
Dependent Claim
16 words
The process of claim 9 in which both steps are carried out in an inert atmosphere.
Claim 20
Independent Claim
80 words
The method of preparing Al(ClO 4 ) 3 ·6N 2 H 4 which comprises carrying out the following steps in an inert atmosphere: a. dissolving Al(ClO 4 ) 3 ·9H 2 O in an excess of 2,2'-dimethoxypropane to form a mixture containing anhydrous Al(ClO 4 ) 3 , b. cooling the mixture to about 0° C. and c. adding sufficient hydrazine to the anhydrous Al(ClO 4 ) 3 mixture to precipitate Al(ClO 4 ) 3 ·6N 2 H 4 .
Claim 21
Independent Claim
80 words
The method of preparing Al(ClO 4 ) 3 ·6N 2 H 4 which comprises carrying out the following steps in an inert atmosphere: a. dissolving Al(ClO 4 ) 3 ·9H 2 O in an excess of 2,2'-dimethoxypropane to form a mixture containing anhydrous Al(ClO 4 ) 3 , b. cooling the mixture to about 0° C. and c. adding sufficient hydrazine to the anhydrous Al(ClO 4 ) 3 mixture to precipitate Al(ClO 4 ) 3 ·6N 2 H 4 .
Claim 22
Dependent Claim
14 words
The process of claim 12 in which the inert atmosphere consists essentially of argon.
Claim 23
Independent Claim
98 words
The method of preparing Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 which comprises carrying out the following steps in an inert atmosphere: a. dissolving Al(ClO 4 ) 3 ·9H 2 O and Mg(ClO 4 ) 2 ·6H 2 O in an excess of 2,2'-dimethoxypropane to form a mixture containing anhydrous Al(ClO 4 ) 3 and anhydrous Mg(ClO 4 ) 2 , b. cooling the mixture to about 0° C. and c. adding sufficient hydrazine to the anhydrous mixture to precipitate Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 .
Claim 24
Independent Claim
98 words
The method of preparing Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 which comprises carrying out the following steps in an inert atmosphere: a. dissolving Al(ClO 4 ) 3 ·9H 2 O and Mg(ClO 4 ) 2 ·6H 2 O in an excess of 2,2'-dimethoxypropane to form a mixture containing anhydrous Al(ClO 4 ) 3 and anhydrous Mg(ClO 4 ) 2 , b. cooling the mixture to about 0° C. and c. adding sufficient hydrazine to the anhydrous mixture to precipitate Al(ClO 4 ) 3 ·Mg(ClO 4 ) 2 ·8N 2 H 4 .
Claim 25
Dependent Claim
23 words
The process of claim 14 wherein anhydrous Mg(ClO 4 ) 2 is used in place of Mg(ClO 4 ) 2 ·6H 2 O.
Claim 26
Dependent Claim
13 words
The process of claim 15 wherein the inert atmosphere consists essentially of argon.
References Cited (Backward Citations)
US3167386A
Cited
US3205103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-10 | 1981-04-11 | 1981-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-10 | 1985-04-11 | 1985-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-10 | 1989-04-11 | 1989-10-11 | $7700.00 | Window Closed / Lapsed |