Interests in inventing:
- Polyurethane foams
- Biodestruktive poliurethanes.
- Methods of polurethane processing: poliurethanes are used in building and in space technologies as heat insulation materials.
Amount of patent documents: 37 author certificates of the USSR, 16 foreign and 5 patents of other countries.
About the inventions
In May and June 1980 an experiment was held at the space station ”Salute” to size up the possibilities of carrying out chemical technological processes in the state of weightlessness using “Lotoss” - the equipment developed in Riga for processing poliurethane. The experiment was successful. The figure of a bear - symbol of Moscow olympics - was created in space and it can be seen in Riga in the Institute of Wood Chemistry.
After the experiment the photo of “Lotoss” was published. A.Alksnis and U.Stirna disclosed several details and conclusions of the experiment to mass media: “Lotoss” consists of a hermetically closed metal container with a transparent lid for observation. There are two ampoules built in the container with two components for production of polyurethane, forms, taps and pipelines connecting form and the ampoule , as well as absorbent socket for collection of gaseous products of the reaction.
“Taking into consideration that the notions “top” and “bottom” disappear in weightlessness, we should more precisely envisage disposition of perforating holes for the elimination of gas when forming elements of complicated constructions in Space than in the Earth circumstances.”
More about the inventor (in English)