Patent US4906523A successfully refreshed from Google Patents.
US4906523A
Expired / Lapsed
US
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Primer for surfaces containing inorganic oxide
Assignee: 3M Co
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Filing: 1987-09-24
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Granted: 1990-03-06
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Expires: 2007-09-24
Abstract
Abstract A composition that is a primer or adhesive for adherence of overcoating functional layers to inorganic oxide-containing substrate, particularly silicon oxide-containing substrates is described. The composition is particularly useful for the adherence of a pavement marking tape to a pavement.
Inventors
- 👤 Zayn Bilkadi
- 👤 Harald Guder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:15
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/52; C03; C03C; C03C17/00; C03C17/34; E; E01; E01F; E01F9/00; E01F9/50; E01F9/506; E01F9/512; C03C2217/00; C03C2217/40; C03C2217/43; C03C2217/46; C03C2217/47; C03C2217/475; C03C2217/478; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/254; Y10T428/256; Y10T428/257; Y10T428/259; Y10T428/31504; Y10T428/31652; Y10T428/31667
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
68 words
A composite structure comprising a metal oxide-containing substrate, a dried intermediate layer formed from a primer/adhesive composition comprising (a) at least one thermoplastic elastomer that is soluble in proton accepting solvents, (b) at least one colloidal inorganic oxide, and (c) a solvent mixture comprising (1) at least one proton-accepting solvent, and (2) at least one hydroxyl group-containing solvent, and a layer overlaying and bonded to the intermediate layer.
Claim 2
Dependent Claim
68 words
A composite structure comprising a metal oxide-containing substrate, a dried intermediate layer formed from a primer/adhesive composition comprising (a) at least one thermoplastic elastomer that is soluble in proton accepting solvents, (b) at least one colloidal inorganic oxide, and (c) a solvent mixture comprising (1) at least one proton-accepting solvent, and (2) at least one hydroxyl group-containing solvent, and a layer overlaying and bonded to the intermediate layer.
Claim 3
Dependent Claim
20 words
The composite structure of claim 1 wherein the colloidal inorganic oxide is colloidal oxide of silicon, chromium, titanium or zirconium.
Claim 4
Dependent Claim
25 words
The composite structure of claim 1, wherein the colloidal inorganic oxide is a colloidal oxide of silicon having a particle size of less than 400Å.
Claim 5
Dependent Claim
13 words
The composite structure of claim 3 wherein the substrate is a concrete-containing roadway.
Claim 6
Dependent Claim
35 words
The composite structure of claim 1 wherein said solvent mixture comprises from 1.0 to 10 parts of hydroxy group-containing solvent and from 5 to 30 parts of proton accepting solvent per part of thermoplastic elastomer.
Claim 7
Dependent Claim
28 words
The composite structure composition of claim 1 wherein said at least one proton accepting solvent has a boiling point of 100° C. or less at standard atmospheric pressure.
Claim 8
Dependent Claim
24 words
The composite structure of claim 1 wherein said hydroxyl group-containing solvent has a boiling point of 125° C. or less at standard atmospheric pressure.
Claim 9
Dependent Claim
23 words
The composite structure of claim 1 wherein said inorganic oxide is selected from the group consisting of silica, alumina, chromia, titania, and zirconia.
Claim 10
Dependent Claim
23 words
The composition of claim 1 wherein said hydroxyl group-containing solvent has a boiling point of 125° C. or less at standard atmospheric pressure.
Claim 11
Dependent Claim
22 words
The composite structure of claim 1 in which said layer overlaying and bonded to the intermediate layer is a pavement marking tape.
Claim 12
Dependent Claim
70 words
A composite structure comprising a silicon dioxide-containing substrate, an intermediate layer of the dried product of a composition comprising (a) at least one thermoplastic elastomer that is soluble in proton accepting solvents, (b) at least one colloidal inorganic oxide, and (c) a solvent mixture comprising (1) at least one proton accepting solvent, and (2) at least one hydroxyl group-containing solvent, and a layer overlaying and bonded to the intermediate layer.
Claim 13
Dependent Claim
70 words
A composite structure comprising a silicon dioxide-containing substrate, an intermediate layer of the dried product of a composition comprising (a) at least one thermoplastic elastomer that is soluble in proton accepting solvents, (b) at least one colloidal inorganic oxide, and (c) a solvent mixture comprising (1) at least one proton accepting solvent, and (2) at least one hydroxyl group-containing solvent, and a layer overlaying and bonded to the intermediate layer.
Claim 14
Dependent Claim
22 words
The composite structure of claim 11 in which said layer overlaying and bonded to the intermediate layer is a pavement marking tape.
Claim 15
Dependent Claim
13 words
The composite structure of claim 11 wherein the substrate is a concrete-containing roadway.
Claim 16
Dependent Claim
22 words
The composite structure of claim 13 in which said layer overlaying and bonded to the intermediate layer is a pavement marking tape.
Claim 17
Dependent Claim
24 words
The composite structure of claim 11 wherein said colloidal inorganic oxide is selected from the group consisting of silica, alumina, chromia, titania, and zirconia.
Claim 18
Dependent Claim
22 words
The composite structure of claim 15 in which said layer overlaying and bonded to the intermediate layer is a pavement marking tape.
Claim 19
Dependent Claim
89 words
A composite structure comprising a metal oxide-containing substrate, an intermediate layer comprising the dried product of a composition comprising one part by weight of at least one particulate inorganic oxide having average particle sizes of less than 400 Angstroms of (a) from 0.5 to 10 parts of at least one thermoplastic elastomer which is soluble in a proton accepting solvent, and (b) a solvent mixture comprising at least one proton accepting solvent and at least one hydroxyl group-containing solvent, and a layer overlaying and bonded to the intermediate layer.
Claim 20
Dependent Claim
89 words
A composite structure comprising a metal oxide-containing substrate, an intermediate layer comprising the dried product of a composition comprising one part by weight of at least one particulate inorganic oxide having average particle sizes of less than 400 Angstroms of (a) from 0.5 to 10 parts of at least one thermoplastic elastomer which is soluble in a proton accepting solvent, and (b) a solvent mixture comprising at least one proton accepting solvent and at least one hydroxyl group-containing solvent, and a layer overlaying and bonded to the intermediate layer.
Claim 21
Dependent Claim
27 words
The composite structure of claim 17 wherein said at least one proton accepting solvent has a boiling point of 100° C. or less at standard atmospheric pressure.
Claim 22
Dependent Claim
33 words
The composite structure of claim 17 wherein said layer overlaying and bonded to the intermediate layer is selected from the class consisting of a protective coating, a marking layer, and a decorative layer.
Claim 23
Dependent Claim
22 words
The composite structure of claim 16 in which said layer overlaying and bonded to the intermediate layer is a pavement marking tape.
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) | 1993-03-05 | 1993-09-04 | 1994-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-05 | 1997-09-04 | 1998-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-05 | 2001-09-04 | 2002-03-06 | $7700.00 | Window Closed / Lapsed |