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| Number | Title | Issue Date |
| 5803014 | Habitat media for ants and other invertebrates A soil-less habitat medium, especially for ants, allows the sustained viability of an ant or ant colony without the provision of additional nutrients. The medium comprises the combination of a culture medium and a chemical agent to reduce or prevent micro... | 09/08/1998 |
| 5750402 | Compositions and methods to prevent microbial contamination of plant tissue culture media The present invention encompasses compositions and methods to reduce or prevent microbial growth in plant tissue culture media, comprising adding a chemical agent comprising methylchloroisothiazolinone, methylisothiazolinone, magnesium chloride and magnes... | 05/12/1998 |
| 5624838 | Kit containing colored plant culture medium A sterilized plant culture medium comprising a dye in an amount which imparts a visible color to the culture medium and which permits seed germination is provided which is useful for attracting children, for observing and studying seed germination, root a... | 04/29/1997 |
