Silicone surfactants
Patent 5008103 Issued on April 16, 1991. Estimated Expiration Date: 
December 29, 2008. 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.
December 29, 2008. 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 2846458 3234252 3427271 3657305 Photographic sensitive materials Emulsion compositions comprising a siloxane-oxyalkylene copolymer and an organic surfactant Polish formulations Antiperspirant stick compositions Antiperspirant emulsion compositions Personal-care emulsions comprising a siloxane-oxyalkylene copolymer InventorsAssigneeApplicationNo. 291909 filed on 12/29/1988US Classes:424/66, Zirconium compound containing424/47, Topical live body grooming or adorning aid (e.g., hair spray, antiperspirant, etc.)424/68, Aluminum compound containing424/69, FACE OR BODY POWDERS FOR GROOMING, ADORNING, OR ABSORBING514/938Oil-water typeExaminersPrimary: Ore, Dale R.Attorney, Agent or FirmInternational ClassesA61K 007/32A61K 007/34 A61K 007/38 AbstractNovel polysiloxane polymers are provided having general formula(CH3)3 SI--O--(CH3)2 SiO]x [(CH3)R1 O]y Si(CH3)3wherein R1 is a polyoxyalkylene radical of the formula ##STR1## x has an average value from about 5 to 400, y has an average value of at least 1 and n has an average value from at least 1 to 200. Water-in-oil emulsions comprising the novel polysiloxane polymers are also described.Other References
| |
