Hellsten; Karl Martin Edvin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hellsten; Karl Martin Edvin.The latest application filed is for "aqueous solutions of quaternary ammonium compounds".

Company Profile

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Hellsten; Karl Martin Edvin - Odsmal SE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Aqueous solutions of quaternary ammonium compounds Grant 4,104,175 - Martinsson , et al. August 1, 1	1978-08-01
Detergent composition having textile softening and antistatic effect Grant 4,058,489 - Hellsten November 15, 1	1977-11-15
Liquid detergent composition Grant 4,018,696 - Hellsten , et al. April 19, 1	1977-04-19
Quaternary ammonium compounds and treatment of plastic and other materials therewith Grant 3,972,855 - Martinsson , et al. August 3, 1	1976-08-03
Synthetic detergents of the ampholytic betaine type, process for preparing the same and compositions Grant 3,954,845 - Martinsson , et al. May 4, 1	1976-05-04
Process for preparing quaternary ammonium compounds Grant 3,932,495 - Martinsson , et al. January 13, 1	1976-01-13
Liquid detergent composition containing an ampholytic betaine-type detergent Grant 3,912,662 - Martinsson , et al. October 14, 1	1975-10-14
Liquid Detergent Compositions Containing Surfactants And Peroxide Bleaching Agents Grant 3,850,831 - Hellsten , et al. November 26, 1	1974-11-26

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