US4228048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam cleaner for food plants
Assignee: Diversey Corp Canada
•
Filing: 1979-05-25
•
Granted: 1980-10-14
•
Expires: 1999-05-25
Abstract
Abstract Liquid cleaning and bleaching concentrate which generates copious foam on dilution with water in a mechanical foam generator. Contains modified polyacrylic acid salt, sodium tripolyphosphate, sodium hydroxide, sodium silicate, sodium hypochlorite sodium alkane sulfonate, and (optionally) sodium polyacrylate.
Inventors
- 👤 Thomas C. Tesdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:48
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3956; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3765; C11D2111/00; C11D2111/40; C11D2111/42
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
117 words
A cleaning concentrate consisting essentially of: ______________________________________
Components Wt. %
______________________________________
Water 8.5-97.45
water dispersible cross-linked interpolymer of
a monomeric mixture comprising a monomeric
polymerizable alpha-beta monoolefinically
unsaturated lower aliphatic carboxylic
acid, and a polyether of a polyol selected
from the class consisting of oligo sacchar-
ides, reduced derivatives thereof in which
the carbonyl group is converted to an alcohol
group, and pentaerythritol, the hydroxyl
groups of said polyol which are modified
being etherified with allyl groups, said
polyol having at least two allyl ether
groups per polyol molecule
0.05-2.0
Polyphosphate 2.-16
NaOH, dry basis 0.1-12.5
Sodium silicate, dry basis
0.1-9
Sodium hypochlorite .05-5.0
C.sub.13- 18 alkane sulfonate, dry basis
.03-9
Sodium polyacrylate, dry basis
0-2
______________________________________
Claim 2
Dependent Claim
117 words
A cleaning concentrate consisting essentially of: ______________________________________
Components Wt. %
______________________________________
Water 8.5-97.45
water dispersible cross-linked interpolymer of
a monomeric mixture comprising a monomeric
polymerizable alpha-beta monoolefinically
unsaturated lower aliphatic carboxylic
acid, and a polyether of a polyol selected
from the class consisting of oligo sacchar-
ides, reduced derivatives thereof in which
the carbonyl group is converted to an alcohol
group, and pentaerythritol, the hydroxyl
groups of said polyol which are modified
being etherified with allyl groups, said
polyol having at least two allyl ether
groups per polyol molecule
0.05-2.0
Polyphosphate 2.-16
NaOH, dry basis 0.1-12.5
Sodium silicate, dry basis
0.1-9
Sodium hypochlorite .05-5.0
C.sub.13- 18 alkane sulfonate, dry basis
.03-9
Sodium polyacrylate, dry basis
0-2
______________________________________
Claim 3
Dependent Claim
92 words
Concentrate according to claim 1 consisting essentially of: ______________________________________
Components Wt. %
______________________________________
Water 50.6-80.2
Allyl sucrose modified polyacrylic acid made
by co-polymerizing about 98-99.5 parts by
weight of acrylic acid with about 0.5-
2.0 parts of polyallyl polyether of
sucrose having about 4-8 allyl groups
per molecule .3-1.2
Sodium tripolyphosphate, powdered
4.-12
NaOH, 50% aqueous solution, dry basis
2.5-10
Sodium silicate, 1:3.22 Na.sub.2 O/SiO.sub.2, 36%
aqueous solution, dry basis
1.8-7.2
Sodium hypochlorite 0.5-3.0
C.sub.13-18 alkane sulfonate, 60% aqueous
solution, dry basis 3.-7.2
Sodium polyacrylate, 20% aqueous solution
dry basis 0.-1.2
______________________________________
Claim 4
Dependent Claim
82 words
Concentrate according to claim 2 consisting essentially of: ______________________________________
Components Amount
______________________________________
Water 56.9 Wt. %
Allyl sucrose modified polyacrylic acid made
by co-polymerizing about 98.75 parts by
weight of acrylic acid with about 1.25
parts of poly allyl polyether of sucrose
having about 5.6 allyl groups per
molecule 0.7
Sodium tripolyphosphate, powder
8.0
Sodium hydroxide, 50% aqueous solution
13.0
Sodium silicate, 1:3.22 Na.sub.2 O/SiO.sub.2, 36%
aqueous solution 12.0
Sodium hypochlorite 1.4
C.sub.13-18 n-alkane sulfonate, sodium salt,
60% aqueous soluton 8.0
______________________________________
Claim 5
Dependent Claim
88 words
Concentrate according to claim 2 consisting essentially of: ______________________________________
Components Amount
______________________________________
Water 51.0 Wt. %
Allyl sucrose modified polyacrylic acid
made by co-polymerizing about 98.75
parts by weight of acrylic acid with
about 1.25 parts of poly allyl polyether
of sucrose having about 5.6 allyl groups
per molecule 0.6
Sodium tripolyphosphate, powder
10.
Sodium hydroxide, 50% aqueous solution
13.
Sodium silicate, 1:3.22 Na.sub.2 O/SiO.sub.2,
36% aqueous solution 12.
Sodium hypochlorite 1.4
C.sub.13-18 n-alkane sulfonate, sodium salt,
60% aqueous solution 8.0
Sodium polyacrylate, 20% aqueous solution
4.0
______________________________________
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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) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |