US3876450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for transparent abrasion-resistant coating
Assignee: W J TANNER Inc
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Filing: 1973-08-13
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Granted: 1975-04-08
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Expires: 1993-08-13
Abstract
Abstract An abrasion-resistant transparent coating for plastics, glass and the like, comprised of aluminum oxide embeded in a metalic matrix. The composition is characterized by the use of aluminum oxide as the abrasive resistant coating, as well as its amalgamation into a metal matrix.
Inventors
- 👤 W J Tanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:44
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B29; B29D; B29D11/00; B29D11/00865; C; C03; C03C; C03C17/00; C03C17/006; C03C17/007; C03C17/008; G02B1/105; G; G02; G02B; G02B1/00; G02B1/10; G02B1/14; C03C2217/00; C03C2217/40; C03C2217/43; C03C2217/44; C03C2217/45; C03C2217/46; C03C2217/47; C03C2217/475
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
124 words
A method of applying an abrasion-resistant coating to a transparent glass or plastic substrate, comprising: A. polishing by tumbling said substrate in an environment of aluminum oxide particles, so as to form an initial aluminum oxide coating upon said substrate; B. rinsing said substrate with detergent and water; C. dipping said substrate in alcohol; D. dipping said substrate in nascent mercury; E. silver plating said substrate such that an amalgam of silver and aluminum oxide coating is developed; F. dry scrubbing said substrate with aluminum oxide particles; G. silver plating said substrate; H. dipping said substrate in nascent mercury; I. polishing with aluminum oxide particles to 10% reflectance; J. and hardening in a 10% chloride solution of the group consisting of gold and platinum.
Claim 2
Independent Claim
124 words
A method of applying an abrasion-resistant coating to a transparent glass or plastic substrate, comprising: A. polishing by tumbling said substrate in an environment of aluminum oxide particles, so as to form an initial aluminum oxide coating upon said substrate; B. rinsing said substrate with detergent and water; C. dipping said substrate in alcohol; D. dipping said substrate in nascent mercury; E. silver plating said substrate such that an amalgam of silver and aluminum oxide coating is developed; F. dry scrubbing said substrate with aluminum oxide particles; G. silver plating said substrate; H. dipping said substrate in nascent mercury; I. polishing with aluminum oxide particles to 10% reflectance; J. and hardening in a 10% chloride solution of the group consisting of gold and platinum.
Claim 3
Dependent Claim
17 words
A method in accordance with claim 1, wherein said silver plating is by means of silver azide.
Claim 4
Independent Claim
124 words
A method of applying an abrasion-resistant coating to a transparent glass or plastic substrate, comprising: A. polishing by tumbling said substrate in an environment of aluminum oxide particles, so as to form an initial aluminum oxide coating upon said substrate; B. rinsing said substrate with detergent and water; C. dipping said substrate in alcohol D. dipping said substrate in nascent mercury; E. platinum plating said substrate such that an amalgam of platinum and aluminum oxide coating is developed; F. dry scrubbing said substrate with aluminum oxide particles; G. platinum plating said substrate H. dipping said substrate in nascent mercury; I. polishing with aluminum oxide particles to 10% reflectance; J. and hardening in a 10% chloride solution of the group consisting of gold and platinum.
Claim 5
Independent Claim
124 words
A method of applying an abrasion-resistant coating to a transparent glass or plastic substrate, comprising: A. polishing by tumbling said substrate in an environment of aluminum oxide particles, so as to form an initial aluminum oxide coating upon said substrate; B. rinsing said substrate with detergent and water; C. dipping said substrate in alcohol D. dipping said substrate in nascent mercury; E. platinum plating said substrate such that an amalgam of platinum and aluminum oxide coating is developed; F. dry scrubbing said substrate with aluminum oxide particles; G. platinum plating said substrate H. dipping said substrate in nascent mercury; I. polishing with aluminum oxide particles to 10% reflectance; J. and hardening in a 10% chloride solution of the group consisting of gold and platinum.
Claim 6
Dependent Claim
17 words
A method in accordance with claim 3, wherein said plating is by means of platinum vacuum deposition.
Claim 7
Dependent Claim
17 words
A METHOD IN ACCORDANCE WITH CLAIM 3, WHEREIN SAID PLATING IS BY MEANS OF PLATINUM CHLORIDE DEPOSITION.
Claim 8
Independent Claim
124 words
A method of applying an abrasion-resistant coating to a transparent glass or plastic substrate, comprising: A. polishing by tumbling said substrate in an environment of aluminum oxide particles, so as to form an initial aluminum oxide coating upon said substrate; B. rinsing said substrate with detergent and water; C. dipping said substrate in alcohol; D. dipping said substrate in nascent mercury; E. palladium plating said substrate such that an amalgam of palladium and aluminum oxide coating is developed; F. dry scrubbing said substrate with aluminum oxide particles; G. palladium plating said substrate H. dipping said substrate in nascent mercury; I. polishing with aluminum oxide particles to 10% reflectance; J. and hardening in a 10% chloride solution of the group consisting of gold and platinum.
Claim 9
Independent Claim
124 words
A method of applying an abrasion-resistant coating to a transparent glass or plastic substrate, comprising: A. polishing by tumbling said substrate in an environment of aluminum oxide particles, so as to form an initial aluminum oxide coating upon said substrate; B. rinsing said substrate with detergent and water; C. dipping said substrate in alcohol; D. dipping said substrate in nascent mercury; E. palladium plating said substrate such that an amalgam of palladium and aluminum oxide coating is developed; F. dry scrubbing said substrate with aluminum oxide particles; G. palladium plating said substrate H. dipping said substrate in nascent mercury; I. polishing with aluminum oxide particles to 10% reflectance; J. and hardening in a 10% chloride solution of the group consisting of gold and platinum.
Claim 10
Dependent Claim
23 words
A method in accordance with in claim 6, wherein said plating is by means of dipping in a 10% solution of palladium chloride.
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) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |