Patent US2413584A successfully refreshed from Google Patents.
Patent US3227603A successfully refreshed from Google Patents.
US3227603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminating adhesives, laminating process and laminated products
Assignee: Sun Chemical Corp
•
Filing: 1962-03-02
•
Granted: 1966-01-04
•
Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Kraiman Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
C; C09; C09J; C09J163/00; B; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/483; B29C65/4835; B29C65/485; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/71; B29C66/712; B29C66/73; B29C66/739; B29C66/7394; B32; B32B; B32B27/00; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/72; B29C66/72; B29C66/729; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/22; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3366
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMPOSITE ARTICLE COMPRISING A CELLULOSIC TEXTILE FABRIC OVERLYING AND BONDED TO A FOAMED URETHANE POLYMER SHEET BY MEANS OF AN INTERMEDIATE BONDING PHASE COMPRISING AN ADHESIVE PREPARED BY REACTING FROM 0.05 TO 20 WEIGHT PARTS POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF 600 WITH 1 WEIGHT PART OF 3,4EPOXY-6-METHYLCYCLOHEXYLMETHYL-3,4-EPOXY-4-METHYLCYCLOHEXANECARBOXYLATE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A BORON TRIFLUORIDE-TRIETHYLAMINE COMPLEX, SAID REACTION BEING CONDUCTED AT A TEMPERATURE SUFFICIENT TO CURE THE ADHESIVE AND ABOVE THE DECOMPOSITION TEMPERATURE OF THE BORON TRIFLUORIDE-TRIETHYLAMINE COMPLEX IN THE REACTION MIXTURE.
Claim 2
Dependent Claim
89 words
A COMPOSITE ARTICLE COMPRISING A CELLULOSIC TEXTILE FABRIC OVERLYING AND BONDED TO A FOAMED URETHANE POLYMER SHEET BY MEANS OF AN INTERMEDIATE BONDING PHASE COMPRISING AN ADHESIVE PREPARED BY REACTING FROM 0.05 TO 20 WEIGHT PARTS POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF 600 WITH 1 WEIGHT PART OF 3,4EPOXY-6-METHYLCYCLOHEXYLMETHYL-3,4-EPOXY-4-METHYLCYCLOHEXANECARBOXYLATE IN THE PRESENCE OF A CATALYTIC AMOUNT OF A BORON TRIFLUORIDE-TRIETHYLAMINE COMPLEX, SAID REACTION BEING CONDUCTED AT A TEMPERATURE SUFFICIENT TO CURE THE ADHESIVE AND ABOVE THE DECOMPOSITION TEMPERATURE OF THE BORON TRIFLUORIDE-TRIETHYLAMINE COMPLEX IN THE REACTION MIXTURE.
References Cited (Backward Citations)
US2855021A
Cited
US2826240A
Cited
GB821537A
Cited
US2839495A
Cited
US2943009A
Cited
US2957793A
Cited
US2890195A
Cited
US3039907A
Cited
US3036948A
Cited
US3042545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |