公开(公告)号：US3816125A

公开(公告)日：1974-06-11

申请号：US26353972

申请日：1972-06-16

Applicant: POLAROID CORP

Inventor： DEMEMBER J ,  HAAS H ,  REID J

IPC: G03C8/36 ,  G03C8/02 ,  G03C8/08 ,  G03C7/00 ,  G03C1/10 ,  G03C1/40 ,  G03C5/54

CPC classification number: G03C8/02

Abstract: The present invention is directed to photography and particularly to diffusion transfer color processes wherein the color separation and highlights are significantly enhanced by carrying out said process in the presence of an onium salt of a polymeric anion.

Abstract translation: 本发明涉及摄影，特别涉及扩散转移色彩方法，其中通过在聚合阴离子的鎓盐的存在下进行所述方法，显着增强了颜色分离和亮度。