US4797274A
Expired / Lapsed
US
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Composition comprising copper compound
Assignee: Zeon Corp
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Filing: 1987-08-25
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Granted: 1989-01-10
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Expires: 2007-08-25
Abstract
Abstract A composition comprising a copper compound, and blended with it, (A) an L-ascorbic acid compound and/or an erythorbic acid compound and (B) a hydroxycarboxylic acid compound. The compound has excellent deodorizing, fungicidal and moldproof properties.
Inventors
- 👤 Yoshiaki Miki
- 👤 Tsunehisa Ueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:31
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/01; A01; A01N; A01N59/00; A01N59/16; A01N59/20
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
26 words
A composition comprising a copper compound, and blended with it, (A) an L-ascorbic acid compound and/or an erythorbic acid compound and (B) an hydroxycarboxylic acid compound.
Claim 2
Dependent Claim
26 words
A composition comprising a copper compound, and blended with it, (A) an L-ascorbic acid compound and/or an erythorbic acid compound and (B) an hydroxycarboxylic acid compound.
Claim 3
Dependent Claim
14 words
The composition of claim 1 which is in the form of an aqueous solution.
Claim 4
Dependent Claim
13 words
The composition of claim 1 which is in the form of a powder.
Claim 5
Dependent Claim
16 words
The composition of claim 3 which is obtained by drying the aqueous solution of claim 2.
Claim 6
Dependent Claim
21 words
The composition of claim 3 which is obtained by blending a powder of the copper compound with components (A) and (B).
Claim 7
Dependent Claim
27 words
The composition of claim 1 wherein the amount of component (A) blended is 0.01 to 100 moles per mole of the copper ion in the copper compound.
Claim 8
Dependent Claim
27 words
The composition of claim 1 wherein the amount of component (B) blended is 0.1 to 1000 moles per mole of the copper ion in the copper compound.
Claim 9
Dependent Claim
18 words
The composition of claim 1 wherein the copper compound is copper sulfate, cupric chloride or copper chlorophyllin sodium.
Claim 10
Dependent Claim
16 words
The composition of claim 1 wherein the hydroxycarboxylic acid compound is an aliphatic hydroxycarboxylic acid compound.
Claim 11
Dependent Claim
19 words
The composition of claim 1 wherein the hydroxycarboxylic acid compound is a compound having 2 to 8 carbon atoms.
Claim 12
Dependent Claim
15 words
The composition of claim 1 wherein the hydroxycarboxylic acid is citric acid or gluconic acid.
Claim 13
Dependent Claim
121 words
A composition capable of deodorizing alkaline substances including ammonia and mercaptan which comprises a copper compound selected from the group consisting of inorganic acid salts, organic acid salts, complexes and oxides of copper, with (A) 0.01 to 100 moles, per mole of the copper ion in the copper compound, of L-ascorbic acid, erythorbic acid, or mixtures thereof, and (B) from 0.1 to 1,000 moles, per mole of the copper ion in the copper compound of a hydroxycarboxylic acid or a water-soluble salt thereof whereby when used in the deodorization of alkaline substances, such as ammonia, precipitation of the copper compound is inhibited and whereby the formation of a chelate of the copper compound with the hydroxycarboxylic acid compound is also inhibited.
Claim 14
Dependent Claim
121 words
A composition capable of deodorizing alkaline substances including ammonia and mercaptan which comprises a copper compound selected from the group consisting of inorganic acid salts, organic acid salts, complexes and oxides of copper, with (A) 0.01 to 100 moles, per mole of the copper ion in the copper compound, of L-ascorbic acid, erythorbic acid, or mixtures thereof, and (B) from 0.1 to 1,000 moles, per mole of the copper ion in the copper compound of a hydroxycarboxylic acid or a water-soluble salt thereof whereby when used in the deodorization of alkaline substances, such as ammonia, precipitation of the copper compound is inhibited and whereby the formation of a chelate of the copper compound with the hydroxycarboxylic acid compound is also inhibited.
Claim 15
Dependent Claim
50 words
The composition of claim 12 wherein the amount of component (A) is from 0.05 to 50 moles, per mole of the copper ion in the copper compound, and the amount of the component (B) is from 0.5 to 250 moles, per mole of the copper ion in the copper compound.
Claim 16
Dependent Claim
32 words
The composition of claim 12 wherein the copper compound is copper sulfate, cooper chloride or copper chlorophyllin sodium, and component (A) is an aliphatic hydroxycarboxylic acid having 2 to 8 carbon atoms.
Claim 17
Dependent Claim
15 words
The composition of claim 14 wherein the hydroxycarboxylic acid is citric acid or gluconic acid.
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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) | 1992-01-10 | 1992-07-11 | 1993-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-10 | 1996-07-11 | 1997-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-10 | 2000-07-11 | 2001-01-10 | $7700.00 | Window Closed / Lapsed |