US3755180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means to inhibit overglaze damage by automatic dishwashing detergents
Assignee: Colgate Palmolive Co
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Filing: 1972-02-25
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Granted: 1973-08-28
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Expires: 1992-02-25
Abstract
Abstract A cleaning composition particularly adapted for washing dishes, glasses and silverware in mechanical devices such as automatic dishwashers and capable of inhibiting overglaze attack, containing as an essential ingredient, a precipitated silicoaluminate compound.
Inventors
- 👤 A Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:38
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0073; C11D3/02; C11D3/04; C11D3/06; C11D3/12; C11D3/124; C11D3/1246; C11D3/128; C11D3/395; C11D3/3958
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
25 words
A composition in accordance with claim 1 which also includes about 0.5% by weight of a bleaching agent capable of liberating hypohalite in aqueous media.
Claim 2
Dependent Claim
21 words
A composition in accordance with claim 1, which is in the form of non-caking, granular product containing a plastic staining colorant.
Claim 3
Dependent Claim
15 words
A composition in accordance with claim 1 wherein said builder salt is sodium tripolyphosphate hexahydrate.
Claim 4
Dependent Claim
35 words
A composition in accordance with claim 1 which also includes from about 0.5% to about 5% by weight of water-soluble organic detergent selected from the group consisting of nonionic, cation, amphoteric, anionic and zwitterionic detergent.
Claim 5
Dependent Claim
14 words
A composition in accordance with claim 5 wherein said detergent is low-foaming nonionic detergent.
Claim 6
Dependent Claim
49 words
A composition in accordance with claim 6 wherein said detergent is the product obtained by the condensation of about 3 moles of propylene oxide with the condensation product of one mol of a mixture of essentially straight chain C10-C18 primary, fatty alcohols with about 6 moles of ethylene oxide.
Claim 7
Dependent Claim
38 words
A method for treating glasses, dishes and like glazed surfaces to remove foreign bodies from the surfaces thereof without modifying the substrate comprising treating said substrate with a dilute aqueous solution of the composition defined in claim 1.
Claim 8
Dependent Claim
22 words
A method of cleaning fine china and aluminum ware by washing with an aqueous solution of the composition defined by claim 6.
Claim 9
Dependent Claim
27 words
A method of safely cleaning fine china and aluminum ware by washing with an aqueous solution of the composition defined in claim 3 without staining the plastic.
Claim 10
Dependent Claim
13 words
A method in accordance with claim 8, which also includes a rinsing step.
Claim 11
Dependent Claim
14 words
A composition in accordance with claim 2 wherein said bleaching agent is potassium dichloroisocyanurate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |