Invention Grant
- Patent Title: 5,6-ring-substituted naphthopyran compounds
- Patent Title (中): 5,6-环取代萘并吡喃化合物
-
Application No.: US13792345Application Date: 2013-03-11
-
Publication No.: US09029532B2Publication Date: 2015-05-12
- Inventor: Darrin R. Dabideen , Meng He , Anil Kumar
- Applicant: Transitions Optical, Inc.
- Applicant Address: US FL Pinellas Park
- Assignee: Transitions Optical, Inc.
- Current Assignee: Transitions Optical, Inc.
- Current Assignee Address: US FL Pinellas Park
- Agency: The Webb Law Firm
- Main IPC: C07D493/04
- IPC: C07D493/04 ; G02B1/04 ; G03C1/73
Abstract:
The present invention relates to naphthopyran compounds that include at least one compound represented by the following Formulas (I), (II), and (III): With reference to Formulas (I), (II), and (III), there is the proviso that: (i) at least one R1 is a group L; and/or (ii) B and/or B′ is substituted with at least one group L. The group L can be described as a lengthening group. The present invention also relates to photochromic-dichroic naphthopyran compounds and photochromic-dichroic articles containing such compounds.
Public/Granted literature
- US20140256935A1 5,6-RING-SUBSTITUTED NAPHTHOPYRAN COMPOUNDS Public/Granted day:2014-09-11
Information query
