04226944 is referenced by 55 patents and cites 12 patents.

Fragrance-emitting articles comprising a polyurethane foam containing a particulate filler and a fragrance material, and a method of making such articles, are disclosed. The method includes the essential steps of pre-mixing particulate filler and fragrance and dispersing the pre-mix in a liquid polyol, before adding the other reaction mixture components, and provides a polyurethane foam having a controlled rate of release of the fragrance.

Title
Process for a polyurethane foam containing fragrance
Application Number
5/960390
Publication Number
4226944
Application Date
November 13, 1978
Publication Date
October 7, 1980
Inventor
Peter D Pauly
Mountaintop
PA, US
Herman Stone
Hazleton
PA, US
Agent
James P Scullin
Assignee
Tenneco Chemicals
NJ, US
IPC
A61L 9/01
C08G 18/08
C08G 18/14
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