Liquid potpourri and method of manufacture
US5576286A · kind A · utility
5Cited by
11References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1995 |
| Grant date | Nov 19, 1996 |
| Priority date | — |
| Expiry date | Jul 13, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/048
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to a novel formulation and its method of manufacture, for liquid potpourri utilizing a gelable acrylic acid copolymer, hydroxypropylcellulose, and a water or aqueous alcohol carrier, which form a polymer matrix when the pH raised to between 5 and 7. Encapsulated fragrance droplets are suspended in the matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.