Method of manufacture air freshening article
US8007707B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 2008 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | Nov 17, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C45/0001
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An air freshening article, such as a deodorizing urinal screen, includes a body that is formed from a fragranced plastic that includes a plastic loaded with a fragrance material. The fragrance material is included in an amount of at least 15% by weight of the fragranced plastic. A method of producing a deodorizing urinal screen includes a fragrance loading stage in which a plastic is loaded with a fragrance material to produce a fragranced plastic. The fragranced plastic includes at least 15 wt % fragrance material. In a molding stage subsequent to the fragrance loading stage, the fragranced plastic is molded into the urinal screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.