Patent US4743503A successfully refreshed from Google Patents.
US4743503A
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Titanate/organosilane compositions
Assignee: PPG Industries Ohio Inc
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Filing: 1985-12-23
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Granted: 1988-05-10
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Expires: 2005-12-23
Abstract
Abstract A titanate/organosilane copolymer is disclosed for use as a primer to promote adhesion between a rigid polymer substrate and an elastomeric interlayer or inorganic coating, or as a release agent to prevent such adhesion depending on the nature of the organic moiety of the organosilane.
Inventors
- 👤 Chia-Cheng Lin
- 👤 Thomas G. Rukavina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:50
CPC Classifications
C; C08; C08G; C08G79/00; C08G77/00; C08G77/48; C08G77/58; C09; C09D; C09D4/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2843; Y10T428/31504; Y10T428/31507; Y10T428/31511; Y10T428/31652; Y10T428/31663; Y10T428/31667
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
74 words
A laminated product comprising: a. a rigid substrate selected from the group consisting of glass, polyacrylates and polycarbonates; b. an elastomeric interlayer adhered to said substrate; and c. between said polymeric substrate and said elastomeric interlayer, a primer comprising titanate/organosilane copolymer consisting essentially of the reaction product of a titanium alkoxide and an organosilane of the general formula R x Si(OR') 4-x wherein R is an orgnaic radical and R' is an alkyl radical.
Claim 2
Dependent Claim
74 words
A laminated product comprising: a. a rigid substrate selected from the group consisting of glass, polyacrylates and polycarbonates; b. an elastomeric interlayer adhered to said substrate; and c. between said polymeric substrate and said elastomeric interlayer, a primer comprising titanate/organosilane copolymer consisting essentially of the reaction product of a titanium alkoxide and an organosilane of the general formula R x Si(OR') 4-x wherein R is an orgnaic radical and R' is an alkyl radical.
Claim 3
Dependent Claim
14 words
A laminated product according to claim 1, wherein said rigid substrate is stretched acrylic.
Claim 4
Dependent Claim
14 words
A laminated product according to claim 1, wherein said interlayer is a vinyl polymer.
Claim 5
Dependent Claim
19 words
A laminated product according to claim 1, wherein said primer is a reaction product of titanium tetraalkoxide and trialkoxyorganosilane.
Claim 6
Dependent Claim
64 words
A coated product comprising: a. a rigid organic polymeric substrate; b. an inorganic coating on said substrate; and c. between said substrate and said coating a primer comprising a titanate/organosilane copolymer consisting essentially of the reaction product of a titanium alkoxide and an organosilane of the general formula R x Si(OR') 4-x wherein R is an organic radical and R' is an alkyl radical.
Claim 7
Dependent Claim
64 words
A coated product comprising: a. a rigid organic polymeric substrate; b. an inorganic coating on said substrate; and c. between said substrate and said coating a primer comprising a titanate/organosilane copolymer consisting essentially of the reaction product of a titanium alkoxide and an organosilane of the general formula R x Si(OR') 4-x wherein R is an organic radical and R' is an alkyl radical.
Claim 8
Dependent Claim
13 words
A laminated product according to claim 4, wherein said titanium tetraalkoxide is tetrabutylititanate.
Claim 9
Dependent Claim
12 words
A laminated product according to claim 6, wherein said trialkoxyorganosilane is methacryloxypropyltrimethoxysilane.
Claim 10
Dependent Claim
20 words
A coated product according to claim 5, wherein the substrate is selected from the group consisting of polyacrylates and polycarbonates.
Claim 11
Dependent Claim
22 words
A coated article according to claim 8, wherein the inorganic coating is selected from the group consisting of metals and metal oxides.
Claim 12
Dependent Claim
26 words
A coated article according to claim 9, wherein the primer comprises a copolymer consisting essentially of the reaction product of a titanium tetraalkoxide and a trialkoxyorganosilane.
Claim 13
Dependent Claim
13 words
A coated article according to claim 10, wherein said titanium tetraalkoxide is tetrabutyltitante.
Claim 14
Dependent Claim
12 words
A coated article according to claim 11, wherein said trialkoxyorganosilane is methacryloxypropyltrimethoxysilane.
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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) | 1991-05-10 | 1991-11-09 | 1992-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-10 | 1995-11-09 | 1996-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-10 | 1999-11-09 | 2000-05-10 | $7700.00 | Window Closed / Lapsed |