IP Library › Granted Patent US 8,668,841
Granted Patent B2
US 8,668,841 · App. 11/808,573 · Granted Mar 11, 2014

Bismuth-zinc-mercury amalgam, fluorescent lamps, and related methods

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Quick Facts
Patent No.
US 8,668,841
App. No.
11/808,573
Granted
Mar 11, 2014
Kind
B2
Abstract

A pellet having a microstructure including a bismuth phase, a zinc solid solution phase, and a Zn 3 Hg phase is disclosed. A method of making a pellet including bismuth, zinc, and mercury is also disclosed. Moreover, a fluorescent lamp with a fill material including bismuth, zinc, and mercury is disclosed. Further, a method of dosing a fluorescent lamp with mercury is disclosed.

Claims (8)

1. A pellet having a microstructure comprising a bismuth solid solution phase, a zinc solid solution phase, and a Zn 3 Hg phase, said pellet comprising about 45 weight percent mercury, about 13.5 weight percent bismuth, and about 41.5 weight percent zinc.

2. A pellet having a microstructure comprising a bismuth solid solution phase, a zinc solid solution phase, and a Zn 3 Hg phase, said pellet comprising about 35 weight percent mercury, about 8 weight percent bismuth, and about 57 weight percent zinc.

3. A pellet having a microstructure comprising a bismuth solid solution phase, a zinc solid solution phase, and a Zn 3 Hg phase, said pellet comprising approximately 45 weight percent mercury, approximately 41 weight percent zinc, and approximately 14 weight percent bismuth.

4. A pellet having a microstructure comprising a bismuth solid solution phase, a zinc solid solution phase, and a Zn 3 Hg phase, said pellet comprising approximately, 45 weight percent mercury, approximately 41.5 weight percent zinc, and approximately 13.5 weight percent bismuth.

5. A pellet having a microstructure comprising a bismuth solid solution phase, a zinc solid solution phase, and a Zn 3 Hg phase, said pellet comprising approximately 35 weight percent mercury, approximately 57 weight percent zinc, and approximately 8 weight percent bismuth.

6. A pellet having a microstructure comprising a bismuth solid solution phase, a zinc solid solution phase, and a Zn 3 Hg phase, said pellet comprising approximately 35 weight percent mercury, approximately 57 weight percent zinc, and approximately 7.8 weight percent bismuth.

7. A pellet comprising bismuth, zinc, and mercury wherein the bismuth, zinc, and mercury are present only in a bismuth solid solution phase and a Zn 3 Hg phase, said phases being substantially uniformly distributed in the pellet.

8. The pellet of claim 7 wherein said pellet is substantially spherical.

Assignments (13)
TERMINATION AND RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded Mar 18, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: EDSG, INC.; ADVANCED LIGHTING TECHNOLOGIES, LLC; ADLT FINANCE CO.; 9999 SALES, INC.; ADLT REALTY CORP. I, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; APL ENGINEERED MATERIALS, INC.; EPIC DESIGN SERVICES GROUP, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; VENTURE LIGHTING INTERNATIONAL, INC.
Reel/Frame 056886/0441 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded Mar 18, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ADVANCED LIGHTING TECHNOLOGIES, LLC; ADLT FINANCE CO.; 9999 SALES, INC.; ADLT REALTY CORP. I, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; APL ENGINEERED MATERIALS, INC.; EDSG, INC.; EPIC DESIGN SERVICES GROUP, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; VENTURE LIGHTING INTERNATIONAL, INC.
Reel/Frame 056887/0364 →
RELEASE OF SECURITY INTEREST Recorded Mar 17, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ADVANCED LIGHTING TECHNOLOGIES, LLC; ADLT FINANCE CO.; 9999 SALES, INC.; ADLT REALTY CORP. I, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; APL ENGINEERED MATERIALS, INC.; EDSG, INC.; EPIC DESIGN SERVICES GROUP, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; VENTURE LIGHTING INTERNATIONAL, INC.
Reel/Frame 055632/0332 →
RELEASE OF SECURITY INTEREST Recorded Mar 17, 2021
From: WILMINGTON TRUST, NATIONAL ASSOCIATION
To: ADVANCED LIGHTING TECHNOLOGIES, LLC; ADLT FINANCE CO.; 9999 SALES, INC.; ADLT REALTY CORP. I, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; APL ENGINEERED MATERIALS, INC.; EDSG, INC.; EPIC DESIGN SERVICES GROUP, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; VENTURE LIGHTING INTERNATIONAL, INC.
Reel/Frame 055632/0550 →
RELEASE OF SECURITY INTEREST Recorded Mar 17, 2021
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: ADVANCED LIGHTING TECHNOLOGIES, LLC; VENTURE LIGHTING INTERNATIONAL, INC.; APL ENGINEERED MATERIALS, INC.
Reel/Frame 055632/0571 →
SECURITY INTEREST Recorded Dec 22, 2017
From: ADVANCED LIGHTING TECHNOLOGIES, LLC; APL ENGINEERED MATERIALS, INC.; VENTURE LIGHTING INTERNATIONAL, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 044949/0179 →
SECURITY INTEREST Recorded Oct 6, 2017
From: ADVANCED LIGHTING TECHNOLOGIES, LLC; ADLT FINANCE CO.; 9999 SALES, INC.; ADLT REALTY CORP. I, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; APL ENGINEERED MATERIALS, INC.; EDSG, INC.; EPIC DESIGN SERVICES GROUP, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; VENTURE LIGHTING INTERNATIONAL, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 044144/0466 →
RELEASE OF SECURITY INTEREST Recorded Oct 5, 2017
From: U.S. BANK NATIONAL ASSOCIATION
To: ADVANCED LIGHTING TECHNOLOGIES, INC.; VENTURE LIGHTING INTERNATIONAL, INC.; APL ENGINEERED MATERIALS, INC.; 9999 SALES, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; EPIC DESIGN SERVICES GROUP, INC.; EDSG, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; ADLT REALTY CORP. I, INC.
Reel/Frame 043800/0970 →
RELEASE OF SECURITY INTEREST Recorded Oct 5, 2017
From: BANK OF AMERICA, N.A.
To: ADVANCED LIGHTING TECHNOLOGIES, INC.
Reel/Frame 043801/0161 →
SECURITY INTEREST Recorded Oct 5, 2017
From: ADVANCED LIGHTING TECHNOLOGIES, LLC; VENTURE LIGHTING INTERNATIONAL, INC.; 9999 SALES, INC.; ADLT FINANCE CO.; ADLT REALTY CORP. I, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; APL ENGINEERED MATERIALS, INC.; EDSG, INC.; EPIC DESIGN SERVICES GROUP, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 044213/0227 →
SECURITY AGREEMENT Recorded Jun 14, 2012
From: ADVANCED LIGHTING TECHNOLOGIES, INC.; DEPOSITION SCIENCES, INC.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 028372/0627 →
SECURITY AGREEMENT Recorded Jun 4, 2012
From: ADVANCED LIGHTING TECHNOLOGIES, INC.; VENTURE LIGHTING INTERNATIONAL, INC.; DEPOSITION SCIENCES, INC.; APL ENGINEERED MATERIALS, INC.; 9999 SALES, INC.; ADVANCED LIGHTING MATERIALS NORTH AMERICA, INC.; LIGHTING RESOURCES INTERNATIONAL, INC.; EPIC DESIGN SERVICES GROUP, INC.; EDSG, INC; ADVANCED LIGHTING TECHNOLOGIES AUSTRALIA, INC.; ADLT REALTY CORP. I, INC.
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 028314/0345 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2007
From: HANSEN, STEVEN C.
To: ADVANCED LIGHTING TECHNOLOGIES, INC.
Reel/Frame 019839/0253 →