US3108920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous solution of a polymer of vinyl alkoxy silane, maleic anhydride and vinyl ester of a fatty acid and process for protecting glass therewith
Assignee: OI Glass Inc
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Filing: 1961-09-29
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Granted: 1963-10-29
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Lagally Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:55
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/12; C; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C08; C08F; C08F22/00; C08F22/04; C08F8/00; C08F8/12; C09; C09D; C09D131/00; C09D131/02; C09D135/00; C09D143/00; C09D143/04; C09J; C09J135/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A PROCESS FOR PROTECTING PRISTINE GLASS SURFACES WHILE RENDERING SAID SURFACE COMPATIBLE WITH WATER BASE ADHESIVES COMPRISING APPLYING TO SAID SURFACE A POLYMERIC PRODUCT OBTAINED BY (1) POLYMERIZING A VINYL ALKOXY SILANE, MALEIC ANHYDRIDE, AND A VINYL FATTY ACID ESTER IN A WATER MISCIBLE COMMON SOLVENT, (2) WASHING THE PRODUCT OF POLYMERIZATION WITH COLD WATER AND DRYING AT AN ELEVATED TEMPERATURE, AND (3) DISSOLVING THE DRIED PRODUCT IN A DILUTE AQUEOUS BASE.
Claim 2
Dependent Claim
17 words
A PROCESS ACCORDING TO CLAIM 4 WHEREIN THE POLYMERIC PRODUCT IS APPLIED TO THE SURFACE BY SPRAYING.
Claim 3
Dependent Claim
23 words
A PROCESS ACCORDING TO CLAIM 5 WHICH FURTHER COMPRISES THE STEP OF STEAM TREATING THE GLASS SURFACE AFTER THE POLYMERIC MATERIAL IS APPLIED.
Claim 4
Dependent Claim
18 words
A PROCESS ACCORDING TO CLAIM 6 WHEREIN AFTER STEAM TREATMENT A LABEL IS APPLIED BY WATER BASE ADHESIVES.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |