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照相纸领域持有帘式淋涂的基本专利。帘式淋涂技术在该领域的应用已约有50年之久。随着这些基本专利持有权的过期,帘式淋涂从特种纸领域向主流造纸领域转移,已经成为全世界大量研发工作的重心。
Photographic paper held in the field of curtain-coating the basic patent. Curtain-coating technology has been used in this area for about 50 years. With the expiration of the ownership of these basic patents, curtain coating has shifted from specialty paper to mainstream papermaking and has become the focus of much research and development around the world.