TY JOUR TI ANALYSIS OF DOMESTIC PATENTS FOR INVENTIONS (1994-2016) IN THE FIELD OF CREATION OF FIRE-PROTECTIVE COATINGS KW ) KW fire-protective coatings KW foaming fire-retardant coatings KW inventions KW patents KW Federal service for intellectual property KW patents and trademarks of Russia (Rospatent) JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Krutolapov, A.S. AU Korobejnikova, E.G. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia