The Latest Development of the Patents of Photographic Chemical Sensitizer 照相化学增感剂专利最新动态
In recent ten years, a lot of patents to the new chemical sensitizer have been applied by Eastman Kodak, Fuji, Konica companies. 近十年来,柯达、富士和柯尼卡公司申请了大量涉及新型化学增感剂的专利。