Patent US4500725A successfully refreshed from Google Patents.
US4500725A
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Silane derivative and fragrant article
Assignee: JNC Corp
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Filing: 1982-07-28
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Granted: 1985-02-19
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Expires: 2002-07-28
Abstract
Abstract A compound represented by the general formula: R.sub.s Si(OR').sub.t (OR").sub.4-s-t wherein R represents methyl, ethyl, or vinyl; R'O represents ##STR1## R" represents methyl or ethyl; s represents 0 or 1; and t represents an integer of from 1 to 4; and fragrant agent formed by impregnating solid matter with a compound represented by the general formula: R.sup.3.sub.a Si(OR.sup.4).sub.b (OR.sup.5).sub.c wherein R 3 , R 4 and R 5 represent a hydrocarbon group, with the proviso that R 5 is derived from an alcohol of the general formula R 5 OH that develops aroma; and a, b and c are each an integer, or a derivative thereof.
Inventors
- 👤 Jiichiro Yemoto
- 👤 Ryokichi Tarao
- 👤 Yoshio Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:48
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
53 words
A silane compound of the formula: R.sub.s Si(-OR').sub.t (-OR").sub.4-s-t wherein R represents CH 3 --, CH 3 CH 2 -- or CH 2 ═CH--; R'O represents ##STR83## R"O represents CH 3 O-- or CH 3 CH 2 O--; s represents 0 or 1; and t represents an integer of from 1 to 4.
Claim 2
Dependent Claim
53 words
A silane compound of the formula: R.sub.s Si(-OR').sub.t (-OR").sub.4-s-t wherein R represents CH 3 --, CH 3 CH 2 -- or CH 2 ═CH--; R'O represents ##STR83## R"O represents CH 3 O-- or CH 3 CH 2 O--; s represents 0 or 1; and t represents an integer of from 1 to 4.
Claim 3
Dependent Claim
10 words
The silane compound of claim 1 wherein R'O is ##STR84##
Claim 4
Dependent Claim
10 words
The silane compound of claim 1 wherein R'O is ##STR85##
Claim 5
Dependent Claim
11 words
The silane compound of claim 1 wherein R' O is ##STR86##
Claim 6
Dependent Claim
10 words
The silane compound of claim 1 wherein R'O is ##STR87##
Claim 7
Dependent Claim
15 words
The silane compound of any one of claims 1 to 5 wherein s is 0.
Claim 8
Dependent Claim
15 words
The silane compound of any one of claims 1 to 5 wherein s is 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |