Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2005-03-15
2005-03-15
Berman, Susan (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S053000, C522S055000, C522S066000, C522S099000, C522S148000, C528S013000, C528S014000, C528S015000, C528S017000, C528S018000, C528S019000, C528S025000, C528S026000, C528S027000, C427S503000, C427S505000, C427S515000, C427S516000
Reexamination Certificate
active
06867242
ABSTRACT:
The invention relates to a method for producing a sealed impregnation and/or release coating of flat joints, in particular of cylinder-head gaskets such as composite seals, metallic joints and multi-layered steel joints. The invention uses a silicone composition including at least a polyorganosiloxane A crosslinkable by a cationic and/or radical process by appropriate crosslinking functional groups, for example, of the alkenyl ether, acrylic, acrylate, epoxide and/or oxethane type; at least an initiator salt B selected among onium borates or an organometallic complex; and at least a reactive diluent C including a nonorganosilicon or organosilicon compound comprising in its structure at least a crosslinking functional group and optionally a secondary functional group different from the crosslinking functional group but capable of chemically reacting with a crosslinking functional group, for example of the hydroxyl, alkoxy and/or carboxyl type. In the method, the silicone composition can further include different additives such as a pigment D and/or a mineral filler E and/or a photosensitizer F and/or a stabilizing amino compound G and/or an adherence promoter H.
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Frances Jean-Marc
Loubet Olivier
Berman Susan
Rhodia Chimie
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