US3821118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic dishwashing compositions containing rinse agent
Assignee: Colgate Palmolive Co
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Filing: 1971-12-03
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Granted: 1974-06-28
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Expires: 1991-12-03
Abstract
Abstract A cleaning composition particularly adapted for washing dishes, glasses and silverware in mechanical devices such as automatic dishwashers and capable of reducing spotting and filming thereof, and essentially free of halide bleaching compounds, containing as the essential ingredients about 1-20% sucrose, 0.5-10% of an enzyme and 40-95% of at least one water-soluble organic and/or inorganic builder salt.
Inventors
- 👤 P Finck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/10; C11D3/046; C11D3/06; C11D3/08; C11D3/16; C11D3/20; C11D3/22; C11D3/221; C11D3/26; C11D3/33; C11D3/38; C11D3/386; C11D3/38609; C11D3/395; C11D3/3951
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
22 words
A composition according to claim 1 including from about 0.5 to 5% of organic water-soluble nonionic, anionic, cationic, amphoteric or zwitterionic detergent.
Claim 2
Dependent Claim
15 words
A composition according to claim 1 wherein said enzyme is proteolytic enzyme or an amylase.
Claim 3
Dependent Claim
22 words
A composition according to claim 1 including water-soluble overglaze protector capable of inhibiting attack on the overglaze of fine china and dishware.
Claim 4
Dependent Claim
23 words
A composition in accordance with claim 1, which also iNcludes up to 20% by weight of peroxygen bleach compound compatible with said enzyme.
Claim 5
Dependent Claim
11 words
A composition according to claim 1 wherein said enzyme is Alcalase.
Claim 6
Dependent Claim
19 words
A composition according to claim 1, wherein said builder is a mixture of sodium tripolyphosphate hexahydrate and sodium metasilicate.
Claim 7
Dependent Claim
14 words
A composition in accordance with claim 1, wherein the builder salt is sodium citrate.
Claim 8
Dependent Claim
22 words
A composition according to claim 2 wherein said detergent is low foaming nonionic material and constitutes from 1.3% by weight of composition.
Claim 9
Dependent Claim
46 words
A composition according to claim 2 wherein said detergent is the product obtained by the condensation of about 3 moles of propylene oxide with the condensation product of one mole of a mixture of essentially straight chain, primary C10-C16 fatty alcohols with 0.6 mole ethylene oxide.
Claim 10
Dependent Claim
34 words
A composition according to claim 3 wherein said proteolytic enzyme is selected from the group consisting of pepsin, trypsin, chymotrypsin, papain, bromeline, colleginase, keratinase, carboxylase, amino peptidase, elastase, subtilisin and aspergillopeptidase A and B.
Claim 11
Dependent Claim
27 words
A composition according to claim 4 wherein said overglaze protector is selected from the group consisting of sodium acid phosphate, boric acid, boron anhydride and mixtures thereof.
Claim 12
Dependent Claim
86 words
A composition according to claim 9 wherein said nonionic detergent is selected from the group consisting of condensation products of alkyl phenols with from about 6 to 30 moles of ethylene oxide, condensation products of alkyl thiophenols with 10 to 15 moles of ethylene oxide, condensation products of higher fatty alcohols of monoesters of hexahydricalchols and inner ethers thereof, the condensation products of polypropylene glycol with ethylene oxide and the condensates of higher fatty acid amides or sulphonamides with about 10 to 30 moles ethylene oxide.
Claim 13
Dependent Claim
39 words
A method for treating glasses, dishes and like tableware to remove foreign bodies from the surfaces thereof in a spot and film-free condition comprising treating said tableware with a dilute aqueous solution of the composition defined in claim 1.
Claim 14
Dependent Claim
18 words
A method of cleaning tableware by washing with an aqueous solution of the composition defined by claim 8.
Claim 15
Dependent Claim
23 words
A method of safely cleaning fine china and other tableware by washing with an aqueous solution of the composition defined in claim 4.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |