Patent assignee · US · COMPANY

Dekalb Genetics Corporation

201Patents
3Active
201Granted
39Portfolio score

Filing activity: Apr 11, 1990 → Aug 14, 2007 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6433261B1 Inbred corn plant 89AHD12 and seeds thereof Human Necessities 2,229 Expired
US5538880A Method for preparing fertile transgenic corn plants Emerging Cross-Sectional Technologies 471 Expired
US5550318A Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof Emerging Cross-Sectional Technologies 399 Expired
US5384253A Genetic transformation of maize cells by electroporation of cells pretreated with pectin degrading enzymes Chemistry; Metallurgy 322 Expired
US5489520A Process of producing fertile transgenic zea mays plants and progeny comprising a gene encoding phosphinothricin acetyl transferase Emerging Cross-Sectional Technologies 219 Expired
US6160208A Fertile transgenic corn plants Emerging Cross-Sectional Technologies 193 Expired
US5508164A Isolation of biological materials using magnetic particles Physics 179 Expired
US6040497A Glyphosate resistant maize lines Chemistry; Metallurgy 179 Expired
US6399861B1 Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof Chemistry; Metallurgy 138 Expired
US5538877A Method for preparing fertile transgenic corn plants Emerging Cross-Sectional Technologies 137 Expired
US5554798A Fertile glyphosate-resistant transgenic corn plants Emerging Cross-Sectional Technologies 134 Expired
US5484956A Fertile transgenic Zea mays plant comprising heterologous DNA encoding Bacillus thuringiensis endotoxin Emerging Cross-Sectional Technologies 134 Expired
US5764819A Methods for classifying plants for evaluation and breeding programs by use of remote sensing and image analysis technology Emerging Cross-Sectional Technologies 133 Expired
US5780708A Fertile transgenic corn plants Emerging Cross-Sectional Technologies 132 Expired
US6013863A Fertile transgenic corn plants Emerging Cross-Sectional Technologies 124 Expired
US5665582A Isolation of biological materials Emerging Cross-Sectional Technologies 119 Expired
US5472869A Stable transformation of maize cells by electroporation Chemistry; Metallurgy 109 Expired
US6232526A Maize A3 promoter and methods for use thereof Chemistry; Metallurgy 104 Expired
US5874265A Methods and compositions for the production of stably transformed fertile monocot plants and cells thereof Emerging Cross-Sectional Technologies 92 Expired
US6194636A Maize RS324 promoter and methods for use thereof Chemistry; Metallurgy 90 Expired
US5919675A Methods and compositions for the production of stably transformed, fertile monocot plants and cells thereof Emerging Cross-Sectional Technologies 89 Expired
US6118047A Anthranilate synthase gene and method of use thereof for conferring tryptophan overproduction Chemistry; Metallurgy 86 Expired
US5969213A Methods and compositions for the production of stably transformed fertile monocot plants and cells thereof Emerging Cross-Sectional Technologies 84 Expired
US6433252B1 Maize L3 oleosin promoter Chemistry; Metallurgy 83 Expired
US6031161A Inbred corn plant GM9215 and seeds thereof Human Necessities 77 Expired

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