Inventor · Le Plessis-Robinson, FR

Christian Berger

14Patents
5h-index
10Co-inventors
63Inventor score

Filing activity: Nov 12, 1974 → May 1, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5458881A N-acylated derivatives of mixtures of amino acids derived from hydrolysates of cereal proteins and their applications Human Necessities 14 Expired
US6274151A Use of n-acylamino acid compounds as texturing agents Human Necessities 12 Expired
US4007176A Cephalosporin derivatives Chemistry; Metallurgy 7 Expired
US4034090A Cephalosporin derivatives Chemistry; Metallurgy 6 Expired
US4520193A Cephalosporin derivatives Human Necessities 6 Expired
US4071531A Oxathiino- and dithiino-aminoacetic acids Chemistry; Metallurgy 5 Expired
US4508717A Cephalosporin derivatives, their preparation and compositions containing them Human Necessities 5 Expired
US4029781A 1,4-Dithiin (and oxathiin)-yl cephalosporin derivatives, and compositions containing them Emerging Cross-Sectional Technologies 2 Expired
US4088761A 3-[(1,3-Dithiin-5-yl)-acetamido]-cephalosporins and antibacterial compositions containing them Emerging Cross-Sectional Technologies 2 Expired
US6440435B1 Use of N-acylamino acid compounds as texturing agents Human Necessities 1 Expired
US4034088A Cephalosporin derivatives, and compositions containing them Chemistry; Metallurgy 0 Expired
US4178290A Dithiinoacetic acid and its preparation Chemistry; Metallurgy 0 Expired
US4798895A Process for preparing levomepromazine hydrogen maleate Chemistry; Metallurgy 0 Expired
US4291032A Thiazolo(3,2-C)benzoxazine derivatives Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.