Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Reexamination Certificate
2006-02-21
2006-02-21
Zimmer, Marc (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
C528S028000, C528S029000, C174S11000P, C174S1100SY
Reexamination Certificate
active
07001970
ABSTRACT:
The present invention relates to a method of manufacturing enamels selected from: polyurethanes, polyamides, polyamide-imides, polyesters, polyester-imides, polyester amide-imides, polyimides, polyepoxy compounds, and polyphenyl oxide compounds; said method comprising an operation in which a functionalized polysiloxane oligomer is obtained by causing a functionalized polysiloxane having a reactive first functional group to react with a first functionalized monomer used in synthesizing said enamel, said first monomer having a second functionalized group that reacts with said first functional group. According to the invention, the method subsequently comprises the following operations:said functionalized polysiloxane oligomer is caused to react with a second functionalized monomer that is used in synthesizing said enamel, said second monomer having a third functional group that reacts with said functionalized polysiloxane oligomer, thereby obtaining a grafted polysiloxane having organic chains that are identical to those of said enamel; andsaid enamel is synthesized using said first and second monomers and said grafted polysiloxane.
REFERENCES:
patent: 3681282 (1972-08-01), Preston et al.
patent: 6214462 (2001-04-01), Andre et al.
patent: 588560 (1994-03-01), None
Preliminary Search report for dated Sep. 9, 2002.
Piechazyk Arnaud
Schildknecht Laurent
Studer Virginie
Sofer&Haroun,LLP
Zimmer Marc
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