Liquid silicone rubber with improved compression set
Patent 5977249 Issued on November 2, 1999. Estimated Expiration Date: 
July 14, 2017. 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.
July 14, 2017. 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 3261801 3468838 3715334 3775452 3814730 3865778 Thermosetting organopolysiloxane compositions Platinum-styrene complexes which promote hydrosilation reactions Organosiloxane compositions yielding elastomers with improved recovery following prolonged compression Curable silicone composition InventorsAssigneeApplicationNo. 891922 filed on 07/14/1997US Classes:524/723, Sulfur, e.g., sulfonamides, etc.524/82, Sulfur atom as part of a hetero ring DNRM524/742, Elemental or organic sulfur compound as DNRM524/750, Mercaptan, mercaptide, or thioether, e.g., aryl-SH, etc.528/15, Material contains a Group VIII metal atom528/23Material contains a phosphorus or sulfur atomExaminersPrimary: Marquis, Melvyn I.Assistant: Milstead, Mark W. Attorney, Agent or FirmForeign Patent References
International ClassC08K 005/53Foreign Application Priority Data1996-08-29 DEAbstractThe present invention relates to compositions which crosslink to give elastomers, comprising;(A) a polyorganosiloxane (I) with at least two alkenyl groups per molecule and a metallic catalyst (IV) and(B) a polyorganosiloxane (II) with at least two silicon-bonded hydrogen atoms and an organic sulfur compound (III).Other References
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