US4902434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric treatment
Assignee: SC Johnson and Son Inc
•
Filing: 1988-10-21
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Granted: 1990-02-20
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Expires: 2008-10-21
Abstract
Abstract The neutralization of odors and removal of soil from fibrous surfaces, e.g., carpets, can be carried out using fabric treatment compositions containing certain combinations of metal salts and carriers.
Inventors
- 👤 Lyndel D. Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:33
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/155; D06M11/13; D06M11/51; D06M11/55; D06M11/56; D06M11/73; D06M11/76; D06M11/77; D06M11/79
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
57 words
A dry composition useful for treating fibers comprising: (a) 0.01-2% salt of at least one divalent transition metal compound; (b) 0-10% of at least one conventional additive selected for the group consisting of agglomerating, fragrancing and processing agents; and (c) q.s. to 100% of at least one inorganic alkali or alkaline earth metal compoind as a carrier.
Claim 2
Dependent Claim
57 words
A dry composition useful for treating fibers comprising: (a) 0.01-2% salt of at least one divalent transition metal compound; (b) 0-10% of at least one conventional additive selected for the group consisting of agglomerating, fragrancing and processing agents; and (c) q.s. to 100% of at least one inorganic alkali or alkaline earth metal compoind as a carrier.
Claim 3
Dependent Claim
19 words
The compositions of claim 1 wherein (c) is sodium bicarbonate or a mixture of sodium bicarbonate and sodium sulfate.
Claim 4
Dependent Claim
11 words
The composition of claim 1 wherein (a) is a cupric salt.
Claim 5
Dependent Claim
10 words
The composition of claim 3 wherein (a) is cupric chloride.
Claim 6
Dependent Claim
11 words
The composition of claim 1 wherein (a) is a zinc salt.
Claim 7
Dependent Claim
10 words
The composition of claim 5 wherein (a) is zinc chloride.
Claim 8
Dependent Claim
75 words
A process for treating a fibrous surface comprising the steps of contacting that surface with a dry composition comprising: (a) 0.01-2% of a salt of at least one divalent metal compound containing zinc or a transition metal; (b) 0-10% of at least one conventional additive selected from the group consisting of agglomerating, fragrancing and processing agents; and (c) q.s to 100% of at least one inorganic alkali or alkaline earth metal compound as a carrier.
Claim 9
Dependent Claim
75 words
A process for treating a fibrous surface comprising the steps of contacting that surface with a dry composition comprising: (a) 0.01-2% of a salt of at least one divalent metal compound containing zinc or a transition metal; (b) 0-10% of at least one conventional additive selected from the group consisting of agglomerating, fragrancing and processing agents; and (c) q.s to 100% of at least one inorganic alkali or alkaline earth metal compound as a carrier.
Claim 10
Dependent Claim
19 words
The process of claim 7 wherein (c) is sodium bicarbonate or a mixture of sodium bicarbonate and sodium sulfate.
Claim 11
Dependent Claim
11 words
The process of claim 8 wherein (a) is a cupric salt.
Claim 12
Dependent Claim
10 words
The process of claim 9 wherein (a) is cupric chloride.
Claim 13
Dependent Claim
11 words
The process of claim 8 wherein (a) is a zinc salt.
Claim 14
Dependent Claim
10 words
The process of claim 11 wherein (a) is zinc chloride.
Claim 15
Dependent Claim
71 words
A process for rendering fibrous surfaces odor resistant comprising the steps of: (1) depositing a salt of at last one divalent metal compound containing zine or a transition metal onto particles of a carrier, which carrier is at least one inorganic alkali or alkaline earth metal compound; (2) recovering the product of step (1); and (b 3) depositing a dry composition containing the product of step (2) upon a fibrous surface.
Claim 16
Dependent Claim
71 words
A process for rendering fibrous surfaces odor resistant comprising the steps of: (1) depositing a salt of at last one divalent metal compound containing zine or a transition metal onto particles of a carrier, which carrier is at least one inorganic alkali or alkaline earth metal compound; (2) recovering the product of step (1); and (b 3) depositing a dry composition containing the product of step (2) upon a fibrous surface.
Claim 17
Dependent Claim
13 words
The process of claim 13 wherein the metal compound is a cupric salt.
Claim 18
Dependent Claim
18 words
The process of claim 14 wherein the carrier comprises at least one of sodium bicarbonate and sodium sulfate.
Claim 19
Dependent Claim
13 words
The process of claim 13 wherein the metal compound is a zinc salt.
Claim 20
Dependent Claim
18 words
The process of claim 16 wherein the carrier comprises at least one of sodium bicarbonate and sodium sulfate.
Claim 21
Dependent Claim
20 words
The process of claim 13 including the further step of adding at least one drying agent before the recovery step.
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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) | 1993-02-19 | 1993-08-21 | 1994-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-19 | 1997-08-21 | 1998-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-19 | 2001-08-21 | 2002-02-20 | $7700.00 | Window Closed / Lapsed |