Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5258300 | Method of inducing lysine overproduction in plants A method is provided for increasing the level of free L-lysine in a plant comprising: (a) introducing a foreign gene into the cells of a plant tissue source; and (b) expressing said foreign gene in said cells, wherein a first DNA sequence of said gene enc... | 11/02/1993 |
| 4673641 | Co-aggregate purification of proteins Methods are provided for stabilization and purification of proteins produced in host cell systems. The methods provide for significant stabilization of any unfused non-bacterial protein that is produced in the same host cell that is producing an aggregate... | 06/16/1987 |
| 4661450 | Molecular cloning of RNA using RNA ligase and synthetic oligonucleotides Methods and compositions for the insertion and molecular cloning of RNA in DNA cloning vectors are described. RNA molecules to be cloned are modified by the ligation of oligonucleotide linkers onto the termini of the RNA molecule using T4 RNA ligase. Such... | 04/28/1987 |
| 4642411 | Tryptophan overproducer mutants of cereal crops This invention is direction to the production of novel plant genotypes or lines which produce increased free tryptophan levels and are resistant to inhibition by analogs which normally inhibit the activity of the enzyme anthranilate synthase before altera... | 02/10/1987 |
| 4634678 | Plasmid cloning and expression vectors for use in microorganisms DNA cloning and expression vectors capable of replication in a microbial host comprising from upstream to downstream (a) at least one promoter; (b) a translation start codon; (c) a cloning segment which provides a means for inserting nucleic acid sequence... | 01/06/1987 |
