Adhesive composition
Abstract
Abstract NEW ADHSEIVE COMPOSITION FOR BONDING RUBBER MATERIAL TO ANY OF VARIOUS MATERIALS INCLUSIVE SYNTHETIC AND NATURAL POLYMERS, METALS AND EVEN SILICATE AND CERAMIC MATERIALS WITH ONLY A SINGLE APPLICATION. IT COMPRISES ESSENTIALLY A RUBBER LATEX, A HIGH MOLECULAR WEIGHT RESORCINFORMALDEHYDE RESIN AND A LOW MOLECULAR WEIGHT RESORCINFORMALDEHYDE RESIN. THE THIRD COMPONENT CONTAINS UNREACTED RESORCIN LESS THAN 15 WEIGHT PERCENT, AND PREFERABLY LESS THAN 10 WEIGHT PERCENT AND MOR PREFERABLY LESS THAN 5 WEIGHT PERCENT. FOR THE PURPOSE OF ADJUSTING THE AMOUNT OF UNREACTED RESORCIN, THE LOW MOLECULAR WEIGHT RESORCINFORMALDEHYDE RESIN IS DISSOLVED IN A MONOKETONE OF R1-CO-R2 IN WHICH R1 MEANS AN ALIPHATIC HYDROCARBON RADICAL AN R2 MEANS AN ALIPHATIC OR AROMATIC HYDROCARBON RADICAL, FORM WHICH UNREACTED RESORCIN IS REMOVED BY AND BY ACCORDING TO REPEATED WATER EXTRACTIONS.
Inventors
- 👤 S Tanaka
- 👤 Y Fukuura
- 👤 T Honda
- 👤 E Kubota
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |