Patent US3822172A successfully refreshed from Google Patents.
US3822172A
Expired / Lapsed
US
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Double glazing unit bonded together by a blend of resins
Assignee: Saint Gobain Industries SA
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Filing: 1972-12-14
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Granted: 1974-07-02
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Expires: 1992-12-14
Abstract
Abstract A PANEL IN THE FORM OF A DOUBLE GAZING UNIT HAVING TWO SHEETS OF GLASS SPACED IN PARALLEL RELATION AND SEALED TO FORM A CAVITY, AND BONDED TOGETHER BY A BLEND OF RESINS HAVING GOOD ADHESION TO THE GLASS AND A COMPATIBLE COEFFICENT OF EXPANSION, SAID BLEND CONTAINING AS PRIMARY INGREDIENTS AN IONOMER RESIN AND A TERPENE ESTER, SUCH AS COLOPHONY ESTER AND WHICH MAY INCLUDE ADDITIONALLY A BUTYL RUBBER OF POLYISOBUTYLENE AND ETHYLENE-VINYL COPOLYMER, TOGETHER WITH ADJUVANTS INCLUDING AN ANTIOXIDANT AND AN UTRA VOILET FILTER AGENT AND A FILLER. A METHOD OF MAKING THE LAMINATE BY APPLYING THE BLEND OF RESINS TO THE GLASS IS INCLUDED. THE BLEND OF RESINS IS ALSO DISCLOSED.
Inventors
- 👤 R Rullier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C09J123/0846; C09J123/0853; C08; C08L; C08L2205/00; C08L2205/03; C08L2205/035; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0869; C08L23/0876; C08L23/18; C08L23/20; C08L23/22; C08L2666/00; C08L2666/02; C08L93/00; C08L93/04; E; E06; E06B; E06B3/00; E06B3/66; E06B3/663; E06B3/66309; E06B3/66328; E06B3/673; E06B3/67326; E06B3/6733; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645
Claims Analysis
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References Cited (Backward Citations)
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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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |