Oral components
A combination of propylene glycol, polyoxyethylene hydrogenated castor oil, and paraoxybenzoic acid ester in oral compositions addresses paraben precipitation at low temperatures, ensuring effective preservative performance.
JP7876991B2Active Publication Date: 2026-06-22SUNSTAR INC
Patent Information
- Application Number
- JP2021205954
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-12-20
- Publication Date
- 2026-06-22
- Estimated Expiration
- 2041-12-20
AI Technical Summary
Technical Problem
Paraben precipitates in oral compositions when left at low temperatures, compromising their preservative effect.
Method used
Combining propylene glycol, polyoxyethylene hydrogenated castor oil, and paraoxybenzoic acid ester in specific ratios, along with glycerin, to prevent paraben precipitation and maintain excellent preservative efficacy.
Benefits of technology
The composition effectively prevents paraben precipitation at low temperatures while maintaining strong preservative properties.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 0007876991000001 
Figure 0007876991000002
Abstract
To provide an oral composition that does not cause precipitation of paraben even when left standing at low temperatures, and also exhibits an excellent antiseptic effect.SOLUTION: An oral composition contains (A) propyleneglycol, (B) polyoxyethylene hydrogenated castor oil, (C) p-hydroxybenzoate, and (D) glycerol, with a mass ratio A / B of 5.5 or more and a mass ratio B / C of 2.8 or less. In the composition, a content of component (D) is 6 mass% or more.SELECTED DRAWING: None
Need to check novelty before this filing date? Find Prior Art
Citation Information
Patent Citations
Mouth rinsing agent
JP2000053546A
Liquid composition for oral cavity
JP2011132169A
Liquid composition for oral cavity
JP2013194025A
Transparent liquid composition for oral cavity
JP2014185126A
Oral composition
JP2018002719A