The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 27, 2018
Filed:
Dec. 06, 2016
The Swatch Group Research and Development Ltd, Marin, CH;
Claire Rannoux, Lausanne, FR;
Maria Fernandez Ciurleo, Fleurier, CH;
The Swatch Group Research and Development Ltd, Marin, CH;
Abstract
The invention relates to a process for assembling and repositioning at least two parts by means of a repositionable hot melt adhesive, wherein said parts are held together in assembled position when said adhesive is at a temperature Tand can be repositioned in relation to one another when said adhesive is heated to a temperature T, wherein said adhesive comprises at least a formulation, which: The polymer chain is a block copolymer comprising at least a first polymer block having a glass transition temperature Tg or a melting temperature Tf ranging between 40° C. and 200° C., and at least a second polymer block comprising at least pendant diene units X and having a glass transition temperature Tg or a melting temperature Tf lower than T.