Process for applying a sealant composition
US4746544A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 2, 1987 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Jan 2, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J4/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In repairing a rupture or opening as described herein the rupture or opening and the adjacent area of the surface in which the rupture or opening occurs is covered by a layer of an alpha-cyanoacrylate which is liquid at 20.degree. C. and has the formula CH.sub.2 .dbd.C(CN)--COOR wherein R is a hydrocarbon radical selected from the group consisting of aliphatic, aromatic and cycloaliphatic hydrocarbon groups of 1-10 carbon atoms and alkoxy, chloro and fluoro derivatives of said hydrocarbon groups in which alkoxy groups there are 1-4 carbon atoms therein; and spreading on the said layer of alpha-cyanoacrylate a layer of a powder comprising rubber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.