岳阳林纸获得发明专利授权：“一种墨水书写快干的簿本纸及其制造方法”

证券之星企业动态2025-06-28

证券之星消息，根据天眼查APP数据显示岳阳林纸（600963）新获得一项发明专利授权，专利名为“一种墨水书写快干的簿本纸及其制造方法”，专利申请号为CN202311301459.0，授权日为2025年6月27日。专利摘要：本发明公开了一种墨水书写快干的簿本纸及其制造方法，该方法采硫酸盐化学针叶木浆与硫酸盐化学阔叶木浆配抄，控制混合浆打浆度在20?35°SR；经筛选、上浆、网部脱水成型、压榨、前干燥...

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