IP Library › Granted Patent US 8,741,025
Granted Patent B2
US 8,741,025 · App. 13/449,397 · Granted Jun 3, 2014

Nanowire preparation methods, compositions, and articles

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Quick Facts
Patent No.
US 8,741,025
App. No.
13/449,397
Granted
Jun 3, 2014
Kind
B2
Abstract

Methods of preparing metal nanowire are disclosed that employ quaternary phosphonium salts. Such processes can produce long and thin nanowires. Compositions and articles comprising such nanowires are useful in electronics applications.

Claims (5)

1. A method comprising:

providing tetraphenylphosphonium chloride; and

reducing silver ions to at least one silver nanowire in the presence of tetraphenylphosphonium chloride or chloride ions formed by tetraphenylphosphonium chloride.

2. The method according to claim 1 , further comprising providing at least one second compound comprising the silver ions, wherein at least a first portion of the second compound is provided prior to providing at least a second portion of the tetraphenylphosphonium chloride.

3. The method according to claim 1 , further comprising providing at least one second compound comprising the silver ions, wherein at least a first portion of the second compound is provided after providing at least a second portion of the tetraphenylphosphonium chloride.

Assignments (5)
RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY (FIRST LIEN) Recorded Oct 14, 2022
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: CARESTREAM HEALTH, INC.; CARESTREAM DENTAL LLC; QUANTUM MEDICAL IMAGING, L.L.C.; TROPHY DENTAL INC.
Reel/Frame 061683/0441 →
RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY (SECOND LIEN) Recorded Oct 14, 2022
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: CARESTREAM HEALTH, INC.; CARESTREAM DENTAL LLC; QUANTUM MEDICAL IMAGING, L.L.C.; TROPHY DENTAL INC.
Reel/Frame 061683/0601 →
SECOND LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Jul 1, 2013
From: CARESTREAM HEALTH, INC.; CARESTREAM DENTAL LLC; QUANTUM MEDICAL IMAGING, L.L.C.; TROPHY DENTAL INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 030724/0154 →
AMENDED AND RESTATED INTELLECTUAL PROPERTY SECURITY AGREEMENT (FIRST LIEN) Recorded Jun 28, 2013
From: CARESTREAM HEALTH, INC.; CARESTREAM DENTAL LLC; QUANTUM MEDICAL IMAGING, L.L.C.; TROPHY DENTAL INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 030711/0648 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2012
From: WHITCOMB, DAVID R.
To: CARESTREAM HEALTH, INC.
Reel/Frame 028063/0188 →