Polygiene saw revenues rose 51% in the fourth quarter SEK 40.2 million Swedish kronor ($4.5 mm) as demand for its anti-microbial products continued to be strong, but logistics challenges and raw material shortages also persisted. Operating profit before tax was SEK 6.2 million ($0.7 mm) against a loss of SEK 2.4 million the year earlier. The gross margin widened to 67.8% from 64.9% as some orders were pushed to ... Log in to view full article.