Patent US4250193A successfully refreshed from Google Patents.
Patent US4375465A successfully refreshed from Google Patents.
US4375465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cosmetic preservative
Assignee: CPPD Inc A CORP OF
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Filing: 1981-06-19
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Granted: 1983-03-01
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Expires: 2001-06-19
Abstract
Abstract This invention reveals the preparation of aqueous preservative cosmetics subject ot Maillard reaction employing sodium hydroxymethane sulfonate which provides a time released sterilizing and anti-browning effect in cosmetic compositions containing amino or nitro groups, polyhydroxy compounds or sugars and having a pH of about 7.0 or higher. Potassium, ammonium and other cationic forms of hydroxymethane sulfonate and mixtures thereof may also be employed.
Inventors
- 👤 Raymond Drakoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:41
CPC Classifications
A; A61; A61Q; A61Q19/00; A61K; A61K47/00; A61K47/06; A61K47/20; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; A61K8/60; A61K9/00; A61K9/0012; A61K9/0014; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/522; A61K2800/524
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
76 words
A cosmetic composition susceptible to degradation due to bacterial action and to browning due to the Maillard reaction which comprises: (a) a hydroxymethane sulfonate salt in an amount sufficient to produce a preservative effect simultaneously against said bacterial action and said browning wherein the cation of said salt is selected from the group consisting of sodium, potassium, ammonium and mixtures thereof; and (b) an aqueous cosmetic formulation having a pH value of about 7.0 to 9.5.
Claim 2
Dependent Claim
76 words
A cosmetic composition susceptible to degradation due to bacterial action and to browning due to the Maillard reaction which comprises: (a) a hydroxymethane sulfonate salt in an amount sufficient to produce a preservative effect simultaneously against said bacterial action and said browning wherein the cation of said salt is selected from the group consisting of sodium, potassium, ammonium and mixtures thereof; and (b) an aqueous cosmetic formulation having a pH value of about 7.0 to 9.5.
Claim 3
Dependent Claim
56 words
A cosmetic composition susceptible to degradation due to bacterial action and to browning due to the Maillard reaction which comprises: (a) sodium hydroxymethane sulfonate in an amount sufficient to produce a preservative effect simultaneously against said bacterial action and said browning; and (b) an aqueous cosmetic formulation having a pH value of about 7.0 to 9.5.
Claim 4
Dependent Claim
56 words
A cosmetic composition susceptible to degradation due to bacterial action and to browning due to the Maillard reaction which comprises: (a) sodium hydroxymethane sulfonate in an amount sufficient to produce a preservative effect simultaneously against said bacterial action and said browning; and (b) an aqueous cosmetic formulation having a pH value of about 7.0 to 9.5.
Claim 5
Dependent Claim
18 words
A composition as recited in claim 1 or 2 wherein said formulation has corn syrup as an ingredient.
Claim 6
Dependent Claim
23 words
A composition as recited in claim 1 or 2 wherein said amount of sodium hydroxymethane sulfonate is from about 0.01 to about 3.0%.
Claim 7
Independent Claim
49 words
A method for substantially preserving an aqueous cosmetic from degradation due to bacterial action and from browning due to the Maillard reaction comprising treating said cosmetic with a sufficient amount of sodium hydroxymethane sulfonate to effect said preservation when the pH of said cosmetic is about 7.0 to 9.5.
Claim 8
Independent Claim
49 words
A method for substantially preserving an aqueous cosmetic from degradation due to bacterial action and from browning due to the Maillard reaction comprising treating said cosmetic with a sufficient amount of sodium hydroxymethane sulfonate to effect said preservation when the pH of said cosmetic is about 7.0 to 9.5.
Claim 9
Dependent Claim
16 words
A method as recited in claim 5, wherein said cosmetic has corn syrup as an ingredient.
Claim 10
Dependent Claim
21 words
A method as recited in claim 5 wherein said amount of sodium hydroxymethane sulfonate is from about 0.01 to about 3.0%.
References Cited (Backward Citations)
US3132993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-02-28 | 1986-08-30 | 1987-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-28 | 1990-08-30 | 1991-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-28 | 1994-08-30 | 1995-03-01 | $7700.00 | Window Closed / Lapsed |