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:
Jul. 05, 2022
Filed:
Feb. 22, 2019
Terumo Kabushiki Kaisha, Tokyo, JP;
Masanori Kuramoto, Kanagawa, JP;
Takao Anzai, Kanagawa, JP;
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A hydrophilic copolymer that can form a surface lubricious layer exhibiting superior lubricating property and durability (lubrication retaining property), is provided. A hydrophilic copolymer having a good solvent solubility is provided. A hydrophilic copolymer is provided containing: structural units derived from a polymerizable monomer (A) having a sulfobetaine structure; structural units derived from a polymerizable monomer (B) having at least one group selected from the group consisting of a sulfonic acid group (—SOH), a sulfuric acid group (—OSOH), a sulfurous acid group (—OSOH), and groups of salts thereof; and structural units derived from a polymerizable monomer (C) having a photoreactive group.