Phospholipid antimicrobial compositions
Patent 5650402 Issued on July 22, 1997. Estimated Expiration Date: 
June 7, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 7, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3228829 3304349 3699231 3830913 3923870 3929561 Dimethylol dimethylhydantoin solution Antimicrobial hydantoin derivative compositions and method of use Novel deodorizing method Phosphate quaternary compounds InventorsApplicationNo. 488334 filed on 06/07/1995US Classes:514/77, Inner salt (e.g., betaine, etc.)510/384, Quaternary ammonium containing antiseptic or biocidal component514/114, Nitrogen, other than nitro or nitroso, bonded indirectly to phosphorus558/169Chalcogen attached indirectly to the phosphorus by acyclic nonionic bondingExaminersPrimary: Richter, JohannAssistant: Ambrose, Michael G. Attorney, Agent or FirmInternational ClassesA61K 031/685A61K 031/66 C11D 003/48 AbstractThere is provided antimicrobial agents which exhibit broad spectrum antibacterial and antifungal activity of the formula: ##STR1## wherein: x=1 to 3 or, preferably, mixtures thereofx+y=3z=xa=0 to 2B=O- or OMA=AnionM is a cationR, R1 and R2 are the same or different and are alkyl, substituted alkyl, alkyl aryl or alkenyl groups of up to 16 carbon atoms with the proviso that the total carbon atoms in R+R1 +R2 is between 10 and 24.Other References
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