Claims
- 1. An aromatic silane compound having formula (I): whereinR1 is chosen from linear or branched C1-26 alkyl, C2-26 alkenyl, C1-26 alkoxy, C2-26 alkoxyalkyl, C7-26 arylalkyl, C3-26 cycloalkyl and C4-26 cycloalkoxy groups, optionally containing one or more halogen atoms; R2 is an aromatic ring having at least one substituent in the ortho position, the substituent being chosen from linear or branched C1-10 alkyl and C1-10 alkoxy groups, with the proviso that when R2 comprises a naphthyl group, R1 is a linear C1-C26 alkyl; and R3 and R4, the same or different from each other, are chosen from linear or branched C1-10 alkyl and C3-10 cycloalkyl groups.
- 2. The aromatic silane compound of claim 1, wherein the R2 substituent is a methoxy group.
- 3. The aromatic silane compound of claim 1, wherein R1 is chosen from linear or branched C1-18 alkyl and C3-18 cycloalkyl groups.
- 4. The aromatic silane compound of claim 3, wherein R1 is chosen from linear C1-5 alkyl and branched C3-8 alkyl groups.
- 5. The aromatic silane compound of claim 1, wherein R2 is chosen from mono-substituted phenyl, di-substituted phenyl and mono-substituted naphthyl groups.
- 6. The aromatic silane compound of claim 1, wherein R3 and R4 are chosen from linear or branched C1-8 alkyl and C3-8 cycloalkyl groups.
- 7. The aromatic silane compound of claim 6, wherein R3 and R4 are methyl or ethyl.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of copending application Ser. No. 09/742,868, filed on Dec. 21, 2000, which is a continuation-in-part of application Ser. No. 09/469,508, filed on Dec. 22, 1999, now abandoned. The entire contents of both applications are incorporated herein by reference.
US Referenced Citations (14)
Foreign Referenced Citations (8)
Number |
Date |
Country |
0045976 |
Feb 1982 |
EP |
0045977 |
Feb 1982 |
EP |
0320150 |
Jun 1989 |
EP |
0658577 |
Jun 1995 |
EP |
9730096 |
Aug 1997 |
EP |
447392 |
Apr 1969 |
JP |
07118320 |
May 1995 |
JP |
10130280 |
May 1998 |
JP |
Continuations (1)
|
Number |
Date |
Country |
Parent |
09/742868 |
Dec 2000 |
US |
Child |
10/116445 |
|
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09/469508 |
Dec 1999 |
US |
Child |
09/742868 |
|
US |