US5708057A
Expired / Lapsed
US
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Silicone-modified water-based coating composition
Assignee: DuPont Toray Specialty Materials KK
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Filing: 1992-06-18
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Granted: 1998-01-13
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Expires: 2012-06-18
Abstract
Abstract A silicone-modified water-based coating composition is disclosed wherein a suspension of silicone rubber particles in water is added to a water-based coating composition such that the resulting system is storage-stable and forms a mat film when dried or cured, which film is soft to the touch.
Inventors
- 👤 Yoshitsugu Morita
- 👤 Atsushi Sakuma
- 👤 Noriyasu Yokoyama
- 👤 Keiji Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:22
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/024; C09D133/00; C09D133/04; C09D133/06; C08; C08L; C08L2205/00; C08L2205/14; C08L2205/18; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
58 words
A silicone-modified water-based coating composition consisting essentially of a mixture of: (A) a water-based coating composition; and (B) a suspension of a plurality of silicone rubber particles in water, the content of said silicone rubber suspension (B) being such that said silicone-modified water-based coating composition is storage-stable and forms a mat film which is soft to the touch.
Claim 2
Dependent Claim
58 words
A silicone-modified water-based coating composition consisting essentially of a mixture of: (A) a water-based coating composition; and (B) a suspension of a plurality of silicone rubber particles in water, the content of said silicone rubber suspension (B) being such that said silicone-modified water-based coating composition is storage-stable and forms a mat film which is soft to the touch.
Claim 3
Dependent Claim
18 words
The composition according to claim 1, wherein the average size of said silicone rubber particles is ≦200 micrometers.
Claim 4
Dependent Claim
62 words
The composition according to claim 2, wherein said water-based coating composition (A) is selected from the group consisting of water-based polyurethane resin coating compositions, water-based alkyd resin coating compositions, water-based aminoalkyd resin coating compositions, water-based epoxy resin coating compositions, water-based acrylic resin coating compositions, water-based silicone-modified epoxy resin coating compositions, water-based silicone-modified polyester resin coating compositions and water-based silicone resin coating compositions.
Claim 5
Dependent Claim
37 words
The composition according to claim 3, wherein 1 to 150 parts by weight of said particles of suspension (B) are used for each 100 parts by weight of the total solids in said water-based coating composition (A).
Claim 6
Dependent Claim
20 words
The composition according to claim 1, wherein said silicone rubber particles have an average size of 1 to 100 micrometers.
Claim 7
Dependent Claim
20 words
The composition according to claim 3, wherein said silicone rubber particles have an average size of 1 to 100 micrometers.
Claim 8
Dependent Claim
20 words
The composition according to claim 4, wherein said silicone rubber particles have an average size of 1 to 100 micrometers.
Claim 9
Dependent Claim
13 words
The composition according to claim 1, wherein said silicone rubber particles are polydimethylsiloxane.
Claim 10
Dependent Claim
18 words
The composition according to claim 8, wherein the average size of said polydimethylsiloxane rubber particles is ≦200 micrometers.
Claim 11
Dependent Claim
62 words
The composition according to claim 9, wherein said water-based coating composition (A) is selected from the group consisting of water-based polyurethane resin coating compositions, water-based alkyd resin coating compositions, water-based aminoalkyd resin coating compositions, water-based epoxy resin coating compositions, water-based acrylic resin coating compositions, water-based silicone-modified epoxy resin coating compositions, water-based silicone-modified polyester resin coating compositions and water-based silicone resin coating compositions.
Claim 12
Dependent Claim
37 words
The composition according to claim 10, wherein 1 to 150 parts by weight of said particles of suspension (B) are used for each 100 parts by weight of the total solids in said water-based coating composition (A).
Claim 13
Dependent Claim
20 words
The composition according to claim 8, wherein said silicone rubber particles have an average size of 1 to 100 micrometers.
Claim 14
Dependent Claim
20 words
The composition according to claim 10, wherein said silicone rubber particles have an average size of 1 to 100 micrometers.
Claim 15
Dependent Claim
20 words
The composition according to claim 11, wherein said silicone rubber particles have an average size of 1 to 100 micrometers.
Claim 16
Dependent Claim
37 words
The composition according to claim 12, wherein 1 to 100 parts by weight of said particles of suspension (B) are used for each 100 parts by weight of the total solids in said water-based coating composition (A).
Claim 17
Dependent Claim
37 words
The composition according to claim 13, wherein 1 to 100 parts by weight of said particles of suspension (B) are used for each 100 parts by weight of the total solids in said water-based coating composition (A).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-01-12 | 2001-07-14 | 2002-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-01-12 | 2005-07-14 | 2006-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-01-12 | 2009-07-14 | 2010-01-13 | $7700.00 | Window Closed / Lapsed |