US5386048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrosilylation of fullerenes
Assignee: Wisconsin Alumni Research Foundation
•
Filing: 1993-02-26
•
Granted: 1995-01-31
•
Expires: 2013-02-26
Abstract
Abstract The invention provides silicon substituted fullerene compounds. The compounds can form polymers or wrapped fullerenes. The compounds may be made by reacting an organo-silicon compound with a fullerene in the presence of a catalyst by a hydrosilylation reaction.
Inventors
- 👤 Robert C. West
- 👤 Kunio Oka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:20
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/18; C07F7/1804; C07F7/21; C08; C08G; C08G77/00; C08G77/48; C08G77/50; Y; Y10; Y10S; Y10S977/00; Y10S977/70; Y10S977/724; Y10S977/788; Y10S977/832; Y10S977/835; Y10S977/84; Y10S977/842; Y10S977/843
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
49 words
A chemical compound having the following moiety: C.sub.n --A--C.sub.m where C n and C m are ball-shaped, n and m are numbers above 59 and below 267, and A is a linker in which Si on the linker is directly attached to both C n and C m .
Claim 2
Dependent Claim
49 words
A chemical compound having the following moiety: C.sub.n --A--C.sub.m where C n and C m are ball-shaped, n and m are numbers above 59 and below 267, and A is a linker in which Si on the linker is directly attached to both C n and C m .
Claim 3
Dependent Claim
46 words
The compound of claim 1, wherein A contains the following moiety: ##STR3## where R 1 through R 4 are selected from the group consisting of hydrogen, halide, aryl, alkyl, and alkoxy, and where B is selected from the group consisting of nothing, oxygen, alkyl and aryl.
Claim 4
Dependent Claim
53 words
A compound having the following moiety: ##STR4## where C n is ball-shaped, n is a number above 59 and below 267, D contains a moiety selected from the group consisting of silane, siloxane, polysilane, and polysiloxane, and D is linked via Si bridges to at least two points on the C n .
Claim 5
Dependent Claim
53 words
A compound having the following moiety: ##STR4## where C n is ball-shaped, n is a number above 59 and below 267, D contains a moiety selected from the group consisting of silane, siloxane, polysilane, and polysiloxane, and D is linked via Si bridges to at least two points on the C n .
Claim 6
Dependent Claim
35 words
A method for making the compound of claim 1, comprising conducting a hydrosilylation reaction between C n , C m , and at least two linker segments, wherein both linker segments have an SiH terminus.
Claim 7
Dependent Claim
31 words
A method for making the compound of claim 3, comprising conducting a hydrosilylation reaction between C n and at least two linker segments, wherein both linker segments have an SiH terminus.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-01-30 | 1998-08-01 | 1999-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-30 | 2002-08-01 | 2003-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-30 | 2006-08-01 | 2007-01-31 | $7700.00 | Window Closed / Lapsed |