Patent assignee · DE · COMPANY

Aktiengesellschaft

4Patents
0Active
4Granted
27Portfolio score

Filing activity: May 31, 1991 → Dec 22, 1997

Most-cited patents

PatentTitleAreaCited byStatus
US5866734A Hydrogenation process Emerging Cross-Sectional Technologies 40 Expired
US5974452A Process for determining a target ATM address Electricity 24 Expired
US6592880B1 Method for inhibition of sorbate-induced brown discolorations in cosmetic compositions and foodstuffs Human Necessities 24 Expired
US5174041A Method for measuring a length and electronic slide caliper Physics 3 Expired

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