Patent EP0214868A2 successfully refreshed from Google Patents.
EP0214868A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Surfactants for use in cleaning compositions
Assignee: Nouryon Surface Chemistry AB
•
Filing: 1986-09-10
•
Granted: —
•
Expires: 2006-09-10
Abstract
Abstract An amphoteric surfactant of formula (I) R-(OCH₂CH₂) n -( -(CHR¹) x ) y - -Q (I) where R is a C 8-20 hydrocarbyl group, optionally substituted by hydroxyl or carboxyl; R¹ is H or C l-6 alkyl; B is H or a group Q as defined below, B being a group Q in the majority of instances; Q is -R²COOM where R² is C l-6 alkylene and M is -H or an alkali metal, alkaline earth metal, ammonium or substituted ammonium ion; x is 2 or 3; y is 2 to 4; and n is 0 or l. for use as an antimicrobial agent in cleaning compositions.
Inventors
- 👤 Eric Graham Fishlock-Lomax
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 17:18
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/006; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/45; A61Q17/00; A61Q17/005; A61Q5/02; C; C11; C11D; C11D1/00; C11D1/88
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
106 words
An amphoteric surfactant of formula (I) R-(OCH₂CH₂) n -( -(CHR¹) x ) y - - Q(I) where R is a C 8-20 hydrocarbyl group, optionally substituted by hydroxyl or carboxyl; R¹ is H or C l-6 alkyl; B is H or a group Q as defined below, B being a group Q in the majority of instances; Q is -R²COOM where R² isC l-6 alkylene and M is -H or an alkali metal, alkaline earth metal, ammonium or substituted ammonium ion; x is 2 or 3; y is 2 to 4; and n is 0 or l. for use as an antimicrobial agent in cleaning compositions.
Claim 2
Dependent Claim
106 words
An amphoteric surfactant of formula (I) R-(OCH₂CH₂) n -( -(CHR¹) x ) y - - Q(I) where R is a C 8-20 hydrocarbyl group, optionally substituted by hydroxyl or carboxyl; R¹ is H or C l-6 alkyl; B is H or a group Q as defined below, B being a group Q in the majority of instances; Q is -R²COOM where R² isC l-6 alkylene and M is -H or an alkali metal, alkaline earth metal, ammonium or substituted ammonium ion; x is 2 or 3; y is 2 to 4; and n is 0 or l. for use as an antimicrobial agent in cleaning compositions.
Claim 3
Dependent Claim
15 words
A surfactant according to claim l having formula (II) where Y is 3 or 4.
Claim 4
Dependent Claim
20 words
A surfactant according to claim l in which R is a hydrocarbyl group derived from oleic or tallow fatty acids.
Claim 5
Dependent Claim
13 words
A surfactant according to claim l for use in the treatment of dandruff.
Claim 6
Independent Claim
26 words
A method of cleaning which comprises applying a microbicidally effective amount of a surfactant according to claim l to the body or object to be cleaned.
Claim 7
Dependent Claim
24 words
A method according to claim 5 comprising applying a microbicidally effective amount of said surfactant to the human head in the treatment of dandruff.
Claim 8
Dependent Claim
17 words
A cleaning composition comprising a compound according to claim l as the sole antimicrobial or preservative agent.
Claim 9
Dependent Claim
22 words
A cleaning composition for use in a method according to claim 5, said composition being a shampoo, detergent or hard surface cleaner.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.