Inventor · Marl, DE

Kurt Kosswig

17Patents
10h-index
16Co-inventors
65Inventor score

Filing activity: Jul 14, 1977 → Dec 7, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4115530A Process for obtaining gaseous hydrogen chloride from dilute, aqueous hydrochloric acid Performing Operations; Transporting 26 Expired
US4457373A Process for oil recovery from subterranean deposits by emulsion flooding Emerging Cross-Sectional Technologies 25 Expired
US4230681A Method of manufacturing hydrogen chloride from solutions of amine hydrochlorides Chemistry; Metallurgy 23 Expired
US4302349A Adducts of alcohols and olefin oxides, suitable for reducing the interfacial surface tension of oily phases with respect to water Emerging Cross-Sectional Technologies 21 Expired
US4485873A Process for oil recovery from a subterranean reservoir Emerging Cross-Sectional Technologies 21 Expired
US4259309A Method for obtaining gaseous hydrogen chloride from dilute aqueous hydrochloric acid Chemistry; Metallurgy 16 Expired
US4303544A Adducts of alcohols and olefin oxides as biodegradable and low-foaming tensides useful in detergents Chemistry; Metallurgy 14 Expired
US4478281A Process for extracting oil from a subterranean reservoir Emerging Cross-Sectional Technologies 13 Expired
US4625057A Process for the production of carboxymethylated alchols, ether alcohols, thioalcohols, or alkyl phenols Chemistry; Metallurgy 12 Expired
US4255356A Purification of tertiary amines using an adsorbent Chemistry; Metallurgy 11 Expired
US5705663A Quaternized triethanolamine difatty acid esters Chemistry; Metallurgy 8 Expired
US5437801A Aqueous emulsions containing fatty acid esters of N-methyl-N,N,N-trihydroxyethyl ammonium methyl sulfate Chemistry; Metallurgy 7 Expired
US4254092A Method for separating hydrogen chloride and hydrogen bromide Chemistry; Metallurgy 6 Expired
US4337234A Method for preparing sodium bicarbonate and hydrogen chloride Chemistry; Metallurgy 3 Expired
US4320106A Method for preparing sodium bicarbonate and hydrogen chloride Chemistry; Metallurgy 3 Expired
US4321247A Process for preparing sodium bicarbonate and hydrogen chloride Chemistry; Metallurgy 1 Expired
US4305917A Method for preparing ammonia and hydrogen chloride from ammonium chloride Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.