Odorant compounds and compositions
Patent 5707961 Issued on January 13, 1998. Estimated Expiration Date: 
April 25, 2016. 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.
April 25, 2016. 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 2933506 3076022 3929677 Acetyl-tri-and-tetramethyl-octahydronaphthalenes and fragrance compositions containing same Patent #: 5180709 InventorsApplicationNo. 638008 filed on 04/25/1996US Classes:512/17, The ring system is bicyclo512/24, Carbonyl bonded directly to the ring568/343, Aldehyde or ketone reactant568/374Bicyclo ring systemExaminersPrimary: Reamer, James H.Attorney, Agent or FirmForeign Patent References
International ClassA61K 007/46Foreign Application Priority Data1995-05-16 CHAbstractThe invention is concerned with novel odorants, including the compounds of the formula ##STR1## wherein R1 =R4 =CH3 and R2 =R3 =H orR1 =R2 =R3 =H and R4 =CH3, orR1 +R2 =--CH2 CH2 -- and R3 =H and R4 =CH3, orR1 =R4 =CH3 and R2 +R3 =--CH2 -- orR1 =CH3 and R2 =R3 =H and R4 =CH2 CH3 orR1 =R2 =R4 =CH3 and R3 =H and R5 =H (preferred) or CH3.Other References
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