US3925093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition of pyridinium c' 12'2 16 'alkyl benzene sulfonate to gamma-methacryloxypropyltris (beta-methoxyethoxy)silane
Assignee: Union Carbide Corp
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Filing: 1973-02-12
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Granted: 1975-12-09
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Expires: 1993-02-12
Abstract
Abstract This invention is directed to minimizing the development of haze in aqueous dispersions containing gamma-methacryloxypropyltris (beta-methoxyethoxy) silane by providing a relatively small quantity of pyridinium C12 16 alkyl benzene sulfonate in the aqueous dispersion.
Inventors
- 👤 John J Walsh
- 👤 Vincent T Chuang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/18; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
43 words
GAMMA-MATHACRYLOXYPROPYLTRIS (BETA-METHOXYETHYXY) SILANE CONTAINING A SMALL QUANTIYT OF PYRIDINIUM C12-16 ALKYL BENZENE SULFONATE WHEREIN THE AMOUNT OF PYRIDINIUM C12-16 ALKYL BENZENE SULFONATE WHICH IS PRESENT, BASED UPON THE WIEGHT OF THE GAMMA-METHACRYLOXYPROPYLTRIS (BETA-METHOXYETHOXY)SILANE, IS FROM ABOUT 0.75 TO ABOUT 5 WEIGHT PER CENT.
Claim 2
Dependent Claim
43 words
GAMMA-MATHACRYLOXYPROPYLTRIS (BETA-METHOXYETHYXY) SILANE CONTAINING A SMALL QUANTIYT OF PYRIDINIUM C12-16 ALKYL BENZENE SULFONATE WHEREIN THE AMOUNT OF PYRIDINIUM C12-16 ALKYL BENZENE SULFONATE WHICH IS PRESENT, BASED UPON THE WIEGHT OF THE GAMMA-METHACRYLOXYPROPYLTRIS (BETA-METHOXYETHOXY)SILANE, IS FROM ABOUT 0.75 TO ABOUT 5 WEIGHT PER CENT.
Claim 3
Dependent Claim
12 words
The composition of claim 1 wherein the C12 16 alkyl is dodecyl.
Claim 4
Dependent Claim
50 words
An aqueous dispersion of gamma-methacryloxypropyltris(beta-methoxyethoxy)silane in which there is provided a small quantity of pyridinium C12 16 alkyl benzene sulfonate wherein the amount of pyridinium C12 16 alkyl benzene sulfonate which is present, based upon the weight of the gamma-methacryloxypropyltris(beta-methoxyethoxy)silane, is from about 0.75 to about 5 weight per cent.
Claim 5
Dependent Claim
50 words
An aqueous dispersion of gamma-methacryloxypropyltris(beta-methoxyethoxy)silane in which there is provided a small quantity of pyridinium C12 16 alkyl benzene sulfonate wherein the amount of pyridinium C12 16 alkyl benzene sulfonate which is present, based upon the weight of the gamma-methacryloxypropyltris(beta-methoxyethoxy)silane, is from about 0.75 to about 5 weight per cent.
Claim 6
Dependent Claim
12 words
The dispersion of claim 3 wherein the C12 16 alkyl is dodecyl.
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) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |