Dental materials based on acrylic-ester phosphonic acids

Details Dental materials based on acrylic-ester phosphonic acids Dental materials based on acrylic-ester phosphonic acids

2005-05-31

2005-05-31

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...

C522S079000, C522S080000, C522S084000, C522S081000, C522S083000, C523S116000, C523S117000, C523S118000, C568S015000, C568S014000

Reexamination Certificate

active

06900251

ABSTRACT:
Acrylic ester phosphonic acids of general formula (I), stereoisomers thereof and mixtures of these,wherein n is 1 or 2, on the condition that for n=1 R1has the meaningand for n=2 R1has the meaningR2is a C1to C12alkylene radical, C4-C8cycloalkylene radical or C7to C15alkylene phenylene radical; R3is hydrogen, a C1to C5alkyl radical or a C1to C5O-alkyl radical; and R4, R5, independently of each other, each stand for a C1to C5alkyl radical or a C1to C5O-alkyl radical.

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