Patent assignee · DE · INDIVIDUAL

E. Merck

1Patents
0Active
1Granted
24Portfolio score

Filing activity: Nov 20, 1984 → Nov 20, 1984

Most-cited patents

PatentTitleAreaCited byStatus
US4664840A Liquid crystal compounds Chemistry; Metallurgy 24 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.