US4177294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous cleaning concentrate for the cleaning of foodstuff
Assignee: Henkel AG and Co KGaA
•
Filing: 1978-10-03
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Granted: 1979-12-04
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Expires: 1998-10-03
Abstract
Abstract An aqueous concentrate for the cleansing of foodstuffs of animal or vegetable origin, consisting of: (a) from 0.1% to 10% by weight of water-soluble to water-dispersible proteins, (b) from 0.01% to 3% by weight of water-soluble polymers having a molecular weight of at least 10,000, (c) from 1% to 15% by weight of a water-soluble sequestering agent, (d) from 0.01% to 1% by weight of water-soluble food preservatives, (e) from 0 to 0.5% by weight of food colors and food odorants, and (f) the remainder to 100%, water.
Inventors
- 👤 Hans-Juergen Lehmann
- 👤 Rolf Bietz
- 👤 Juergen Wegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:23
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/22; C11D7/40; C11D7/46; A; A23; A23L; A23L5/00; A23L5/57; C11D7/44
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
88 words
An aqueous concentrate for the cleansing of foodstuffs of animal or vegetable origin, consisting of: (a) from 0.1% to 10% by weight of water-soluble to water-dispersible proteins, (b) from 0.01% to 3% by weight of water-soluble polymers having a molecular weight of at least 10,000, (c) from 1% to 15% by weight of a water-soluble sequestering agent, (d) from 0.01% to 1% by weight of water-soluble food preservatives, (e) from 0 to 0.5% by weight of food colors and food odorants, and (f) the remainder to 100%, water.
Claim 2
Dependent Claim
88 words
An aqueous concentrate for the cleansing of foodstuffs of animal or vegetable origin, consisting of: (a) from 0.1% to 10% by weight of water-soluble to water-dispersible proteins, (b) from 0.01% to 3% by weight of water-soluble polymers having a molecular weight of at least 10,000, (c) from 1% to 15% by weight of a water-soluble sequestering agent, (d) from 0.01% to 1% by weight of water-soluble food preservatives, (e) from 0 to 0.5% by weight of food colors and food odorants, and (f) the remainder to 100%, water.
Claim 3
Dependent Claim
12 words
The aqueous concentrate of claim 1 wherein said proteins are native proteins.
Claim 4
Dependent Claim
14 words
The aqueous concentrate of claim 2 wherein said native proteins are from protein-containing seeds.
Claim 5
Dependent Claim
40 words
The aqueous concentrate of claim 3 wherein said native proteins from protein-containing seeds have been obtained by extraction of protein-containing seeds with aqueous solutions containing water-soluble compounds selected from the group consisting of inorganic salts, organic salts and weak alkalies.
Claim 6
Dependent Claim
16 words
The aqueous concentrate of claim 4 wherein said water-soluble compounds are organic salts of sequestering agents.
Claim 7
Dependent Claim
25 words
The aqueous concentrate of claims 1 or 2 wherein said water-soluble polymers are selected from the group consisting of polyvinyl alcohol, polyvinylpyrrolidone and cellulose ethers.
Claim 8
Dependent Claim
40 words
The aqueous concentrate of claims 1 or 2 wherein said water-soluble sequestering agent is an alkali metal salt of an acid selected from the group consisting of citric acid, lactic acid, tartaric acid, aminocarboxylic acids, phosphoric acid and polyphosphoric acid.
Claim 9
Dependent Claim
66 words
The aqueous concentrate of claims 1 or 2 where component (a) is present in an amount of from 0.2% to 5% by weight, component (b) is present in an amount of from 0.02% to 3% by weight, component (c) is present in an amount of from 3% to 12% by weight, and component (d) is present in an amount of from 0.05% to 1% by weight.
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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) | 1982-12-03 | 1983-06-04 | 1983-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-03 | 1987-06-04 | 1987-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-03 | 1991-06-04 | 1991-12-04 | $7700.00 | Window Closed / Lapsed |