US4468338A
Expired / Lapsed
US
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Transparent soap composition
Assignee: Purex Corp
•
Filing: 1983-06-13
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Granted: 1984-08-28
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Expires: 2003-06-13
Abstract
Abstract A transparent soap composition, consisting essentially of (a) over 50% by weight of a complex mixture of the sodium and triethanolamine salts of a fatty acid or acids having from 6 to 18 carbon atoms and an iodine value of 8-15, (b) between 0.2 and 1.0 weight percent of a member or members selected from the group consisting of citric acid, sodium citrate and potassium citrate, (c) between 0.2 and 0.1 weight percent of a member or members selected from the group consisting of sodium metabisulfite, sodium sulfite, sodium bisulfite, potassium bisulfite, sodium hydrosulfite, potassium hydrosulfite and potassium sulfite, and potassium metabisulfite, (d) water.
Inventors
- 👤 Gordon A. Lindberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:03
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2086; C11D17/00; C11D17/0095; C11D3/0005; C11D3/0042
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
123 words
A transparent soap composition characterized by improved stability against darkening and loss of transparency, consisting essentially of (a) over 50% by weight of a complex mixture of the sodium and triethanolamine salts of a fatty acid or acids having from 6 to 18 carbon atoms and an iodine value of 8-15, (b) between 0.1 and 1.0 weight percent of a member or members selected from the group consisting of citric acid, sodium citrate and potassium citrate, (c) between 0.3 and 1.0 weight percent of a member or members selected from the group consisting of sodium metabisulfite, and potassium metabisulfite, and (d) water, (e) the sum of the weight precentages of the (b) and (c) composition members being at least about 0.5 weight percent.
Claim 2
Dependent Claim
123 words
A transparent soap composition characterized by improved stability against darkening and loss of transparency, consisting essentially of (a) over 50% by weight of a complex mixture of the sodium and triethanolamine salts of a fatty acid or acids having from 6 to 18 carbon atoms and an iodine value of 8-15, (b) between 0.1 and 1.0 weight percent of a member or members selected from the group consisting of citric acid, sodium citrate and potassium citrate, (c) between 0.3 and 1.0 weight percent of a member or members selected from the group consisting of sodium metabisulfite, and potassium metabisulfite, and (d) water, (e) the sum of the weight precentages of the (b) and (c) composition members being at least about 0.5 weight percent.
Claim 3
Dependent Claim
9 words
The soap of claim 1 having solid bar configuration.
Claim 4
Dependent Claim
9 words
The soap of claim 1 having transparent solid form.
Claim 5
Dependent Claim
22 words
The soap of claim 1 wherein said fatty acid is selected from the group consisting of coconut fatty acid and stearic acid.
Claim 6
Dependent Claim
31 words
The soap of claim 1 wherein said fatty acid consists of (i) between 18 and 22 weight percent coconut fatty acid, and (ii) between 15 and 21 weight percent stearic acid.
Claim 7
Dependent Claim
27 words
The soap of claim 1 wherein said fatty acid consists of (i) about 20.2 weight percent coconut fatty acid, and (ii) about 20.2 weight percent stearic acid.
Claim 8
Dependent Claim
16 words
The soap of claim 5 wherein said composition includes between 10 and 16 weight percent glycerine.
Claim 9
Dependent Claim
17 words
The soap of claim 5 wherein the composition includes between 0.1 and 1.0 weight percent gluconic acid.
Claim 10
Dependent Claim
17 words
The soap of claim 5 wherein said composition includes about 0.2 weight percent of 50% gluconic acid.
Claim 11
Dependent Claim
31 words
The soap of claim 1 wherein said fatty acids include caprylic acid, capric acid, lauric acid, myristic acid, pentadecanoic acid, palmitic acid, margaric acid, stearic acid, oleic acid, and linoleic acid.
Claim 12
Dependent Claim
47 words
The soap of claim 10 wherein said fatty acids have the following relative weight percentages: ______________________________________
caprylic about 2.5
capric about 2.0
lauric about 26.0
myristic about 11.0
pentadecanoic about 0.25
palmitic about 30.0
margaric about 1.0
stearic about 19.0
oleic about 8.0
linoleic about 1.0
______________________________________
Claim 13
Dependent Claim
55 words
A transparent soap composition consisting of ______________________________________
weight percent range
______________________________________
(a) triethanolamine
30-35
(b) coconut fatty acid
18-22
(c) stearic acid 15-21
(d) sodium hydroxide
4.5-6.5
(e) glycerine 10-16
(f) 50% gluconic acid
about 0.2
(g) sodium metabisulfite
about 0.5
(h) citric acid about 0.5
(i) perfume about 1.0
(j) deionized water
balance
______________________________________
Claim 14
Dependent Claim
55 words
A transparent soap composition consisting of ______________________________________
weight percent range
______________________________________
(a) triethanolamine
30-35
(b) coconut fatty acid
18-22
(c) stearic acid 15-21
(d) sodium hydroxide
4.5-6.5
(e) glycerine 10-16
(f) 50% gluconic acid
about 0.2
(g) sodium metabisulfite
about 0.5
(h) citric acid about 0.5
(i) perfume about 1.0
(j) deionized water
balance
______________________________________
Claim 15
Dependent Claim
28 words
The soap composition of claim 12 wherein said (a)-(e) ingredients have the following weight percentage values ______________________________________
(a) 30.2
(b) 20.2
(c) 20.2
(d) 4.55
(e) 12.1
______________________________________
Claim 16
Dependent Claim
14 words
The soap composition of one of claims 12 and 13 in solid bar configuration.
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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) | 1987-08-28 | 1988-02-27 | 1988-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-28 | 1992-02-27 | 1992-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-28 | 1996-02-27 | 1996-08-28 | $7700.00 | Window Closed / Lapsed |