Tag Archives: Photochromic

Heterocycle substituted fulgides photochromic material and its synthesis process

Application Number  00128274 Application Date  2000.12.13 Publication Number  1357594 Publication Date  2002.07.10 Priority Information     International Classification  C09K9/02   Applicant(s) Name  Inst. of Photochemistry, Chinese Academy of Sciences   Address     Inventor(s) Name  Fan Meigong;Wang Congmin;Zhao Lihua   Patent Agency Code  31002 Patent Agent  li bai AbstractThe present invention belongs to the field… Read More »

Method for testing photochromic characteristics of ink

Application Number: 00115502Application Date: 2000.04.27Publication Number: 1320811Publication Date: 2001.11.07Priority Information: International: G01J3/46Applicant(s) Name: Shanghai Paper Money Printing HouseAddress: Inventor(s) Name: Chen Biao;Wang HongboPatent Agency Code: 31100Patent Agent: chang mengAbstract A method for testing the photochromic characteristics of ink uses the chromatometer as a detector. When the colour is detecting a distance between the chromatometer and… Read More »

Arylheterocycle substituted dibenzofuranpyran-type photochromic compound and its preparing process and usage

Application Number: 00108073Application Date: 2000.06.12Publication Number: 1328109Publication Date: 2001.12.26Priority Information: International: C08J5/18;C09D11/00;C09K9/02Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Fan Meigong;Wei Jingqiang;Zhu AipingPatent Agency Code: 31002Patent Agent: li baiAbstract A photochromic compound is prepared through cyclization reaction between 2-hydroxy dibenzofuran and propynol derivative. Said propynol derivative is prepared by reaction between… Read More »

Arylheterocycle substituted naphthopyran-type photochromic compound and its preparing process and usage

Application Number: 00108072Application Date: 2000.06.12Publication Number: 1328108Publication Date: 2001.12.26Priority Information: International: C08J5/18;C09D11/00;C09K9/02Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Fan Meigong;Wei Jingqiang;Zhu AipingPatent Agency Code: 31002Patent Agent: li baiAbstract A photochromic compound is prepared through cyclization reaction between beta-naphthol and propynol derivative. Said propynol derivative is prepared through raction between diaryl… Read More »

Optical disc with super-resolution photochromic shielding film layer

Application Number: 00107368Application Date: 2000.05.12Publication Number: 1270389Publication Date: 2000.10.18Priority Information: International: G11B7/24Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Xu Duanshuo;Zhang LeiPatent Agency Code: 11201Patent Agent: luo wenqunAbstract An optical disc with superresolution photochromic mask layer is composed of protection layer, reflection layer, record layer, disc substrate and mask layer between disc substrate and record layer. On… Read More »

Photochromic spirooxazine compound bound with moleculae of antioxidizing agent and its preparing process and use

Application Number: 00106129Application Date: 2000.04.25Publication Number: 1320674Publication Date: 2001.11.07Priority Information: International: C09K9/02Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Ming Yangfu;Wang Congmin;Zhu AipingPatent Agency Code: 31002Patent Agent: li baiAbstract A photochromic spirooxazine compound used to prepare photochromic resin glasses, light-shielding material and antiforging material is disclosed, which is prepared from the… Read More »

Photochromic diarylheterocycloethylene compounds sensitive to blue light and its preparing process and usage

Application Number: 00105493Application Date: 2000.04.03Publication Number: 1316425Publication Date: 2001.10.10Priority Information: International: C07D405/04;C07D409/04;C09K9/02Applicant(s) Name: Inst of Photosensitive Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Fan Meigong;Pan Guilan;Fan PingPatent Agency Code: 31002Patent Agent: li baiAbstract A photochromic compound, 3,4-diarylheterocyclo-2,5-dihydrofuran, is prepared by reaction of chlorocarbonyl formether with benzothiophene or indole. After the high-molecular compound is mixed with… Read More »