US4659596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smooth-look footwear process
Assignee: Shell USA Inc
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Filing: 1985-11-12
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Granted: 1987-04-21
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Expires: 2005-11-12
Abstract
Abstract The present invention relates to a process for dulling molded block copolymer compositions comprising coating the surface of a molded block copolymer rubber composition with a dulling solution comprising a polymeric binder which is compatible with the molded block copolymer rubber composition, a matting agent and a suitable solvent and evaporating the solvent.
Inventors
- 👤 Karl A. Karim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:09
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/10; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J2353/00; C08J2353/02; C08J2409/00; C08J2453/00
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
50 words
A process for dulling molded block copolymer compositions comprising coating the surface of a molded block copolymer rubber composition with a matting solution comprising a polymeric binder which is compatible with the molded block copolymer rubber composition, a matting agent, a surfactant and a suitable solvent and evaporating the solvent.
Claim 2
Dependent Claim
50 words
A process for dulling molded block copolymer compositions comprising coating the surface of a molded block copolymer rubber composition with a matting solution comprising a polymeric binder which is compatible with the molded block copolymer rubber composition, a matting agent, a surfactant and a suitable solvent and evaporating the solvent.
Claim 3
Dependent Claim
15 words
The process of claim 1 wherein the molded composition is a styrene-butadiene block copolymer composition.
Claim 4
Dependent Claim
13 words
The process of claim 1 wherein the matting agent is a silica filler.
Claim 5
Dependent Claim
21 words
The process of claim 1 wherein the matting agent has particles in the range of from about 1 to 20 microns.
Claim 6
Dependent Claim
28 words
The process of claim 1 wherein the matting agent is present in the matting solution in amounts between 1 and 500 parts by weight per hundred parts binder.
Claim 7
Dependent Claim
12 words
The process of claim 1 wherein the solvent is a hydrocarbon solvent.
Claim 8
Dependent Claim
13 words
The process of claim 1 wherein the solvent is a chlorinated hydrocarbon solvent.
Claim 9
Dependent Claim
10 words
The process of claim 1 wherein the solvent is cyclohexane.
Claim 10
Dependent Claim
13 words
The process of claim 1 wherein the dulling solution is applied by spraying.
Claim 11
Dependent Claim
15 words
The process of claim 1 wherein the molded composition is dipped in the matting solution.
Claim 12
Dependent Claim
12 words
The process of claim 1 wherein the binder is a butadiene rubber.
Claim 13
Dependent Claim
12 words
The process of claim 1 wherein the binder is a styrene-butadiene copolymer.
Claim 14
Dependent Claim
17 words
The process of claim 1 wherein the surfactant is present at between 0.05 and 2% by weight.
Claim 15
Dependent Claim
12 words
The process of claim 1 wherein the surfactant is a non-ionic surfactant.
Claim 16
Dependent Claim
12 words
The process of claim 1 wherein the surfactant is a nonylphenoxy poly(ethyleneoxy)ethanol.
References Cited (Backward Citations)
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Cited
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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) | 1990-04-20 | 1990-10-20 | 1991-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-20 | 1994-10-20 | 1995-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-20 | 1998-10-20 | 1999-04-21 | $7700.00 | Window Closed / Lapsed |