共 21 条
[11]
KUMAR A, 1997, Patent No. 5650098
[12]
Kumar A., 1997, United States Patent, Patent No. [5651923, US 5,651,923]
[13]
KUMAR A, 1997, Patent No. 5658500
[14]
Rickwood M., 1996, US Patent, Patent No. 5520853
[15]
RICKWOOD M, 1996, Patent No. 5623005
[16]
Van Gemert B, 1999, PPG TECHNOL J, V5, P53
[17]
VANGEMBERT B, 1998, ORGANIC PHOTOCHROMIC, V1, pCH3
[18]
Naphthopyrans. Structural features and photochromic properties
[J].
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS,
1997, 297
:131-138
[19]
VANGEMERT B, 1994, MOL CRYS LIQ CRYS, V67
[20]
VANGEMERT B, 1995, Patent No. 5466398