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Lecce Pen Company SPA
| Lecce Pen Company SPA Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100139878 | Method for Manufacturing Reduced-Weight Paper, Thin Cardboard and Cardboard, and Compounds Obtained Therewith - The invention concerns a compound for manufacturing paper or cardboard, comprising a mixture of cellulose fibres and heat-expandable substances suited to generate closed microbubbles, in water dispersion, and wherein the mixture also contains additive substances like bonding agents, mineral fillers, coatin starches. | 06-10-2010 |