Back to results
US 5,330,565 AGranted
Active agent-containing printing ink
AssigneeNippon Petrochemicals Company, Limited
InventorsHachiro Saitoh, Toshimichi Matsui
Life of this patent
Estimating the term…
Abstract
Active agent-containing printing ink which contains fine particles of thermoplastic polymer containing an active agent. The effect of active agent contained in a printed matter can be properly and effectually produced for a long period of time without causing undesirable release or deterioration of the active agent in printing and uses.
Claims7
An active agent-containing printing ink comprising
- (a) printing ink;
- and
- (b) active agent-containing fine particles of a thermoplastic polymer,
- said thermoplastic polymer being compatible with the active agent and having been combined previously with the active agent by impregnation, wherein said active agent is selected from the group consisting of insecticides, perfumes and deodorants, and
- said active agent-containing fine particles of said thermoplastic polymer being of a size and density effective to provide the effect of the active agent to said printing ink when said ink is applied to a substrate.
2 more elements
Dependencies are inferred from the claim text.