IP Library Granted Patent US 7,261,986
Granted Patent B2
US 7,261,986 · App. 10/836,756 · Granted Aug 28, 2007

Photoconductive member for an electrophotographic machine and method of forming same

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Quick Facts
Patent No.
US 7,261,986
App. No.
10/836,756
Granted
Aug 28, 2007
Kind
B2
Abstract

A method for producing a substrate for a photoconductive member includes etching the substrate with a self-limiting acid that removes the metal oxides from but does not affect the surface roughness of the substrate inner and outer surface.

Claims (10)

1. A method for producing a substrate for a photoconductive member, comprising:

obtaining at least one substrate; and

etching with a self-limiting acid the at least one substrate wherein the self-limiting acid consists essentially of from approximately thirteen to approximately seventeen percent hydrochloric acid, from approximately two to approximately three percent sulfuric acid, and an organic stabilizer.

2. The method of claim 1 , wherein the at least one substrate is comprised substantially entirely of nickel.

3. The method of claim 2 , wherein said etching process comprises exposing the at least one substrate to the self-limiting acid.

4. The method of claim 3 , wherein said etching process comprises dipping the at least one substrate in an acid bath, the acid bath including the self-limiting acid.

5. The method of claim 3 further comprising the further process of finishing the substrate, said finishing process comprising at least one of applying an inner smoothing layer, an outer smoothing layer, an inner barrier layer, an outer barrier layer, a charge generating layer and a charge transport layer.

6. A substrate for a photoconductive member comprising:

at least one substrate; and

said at least one substrate being etched with a self-limiting acid consists essentially of from approximately thirteen to approximately seventeen percent hydrochloric acid, from approximately two to approximately three percent sulfuric acid, and an organic stabilizer.

Assignments (11)
RELEASE OF SECURITY INTEREST Recorded Jan 24, 2020
From: BARCLAYS BANK PLC
To: EASTMAN KODAK COMPANY; FAR EAST DEVELOPMENT LTD.; FPC INC.; KODAK (NEAR EAST) INC.; KODAK AMERICAS LTD.; KODAK REALTY INC.; LASER PACIFIC MEDIA CORPORATION; QUALEX INC.; KODAK PHILIPPINES LTD.; NPEC INC.
Reel/Frame 052773/0001 →
RELEASE OF SECURITY INTEREST Recorded Jul 30, 2019
From: JP MORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: EASTMAN KODAK COMPANY; FAR EAST DEVELOPMENT LTD.; PFC, INC.; KODAK (NEAR EAST), INC.; KODAK AMERICAS, LTD.; KODAK IMAGING NETWORK, INC.; KODAK PORTUGUESA LIMITED; KODAK REALTY, INC.; LASER PACIFIC MEDIA CORPORATION; PAKON, INC.; QUALEX, INC.; KODAK PHILIPPINES, LTD.; NPEC, INC.; CREO MANUFACTURING AMERICA LLC; KODAK AVIATION LEASING LLC
Reel/Frame 049901/0001 →
RELEASE OF SECURITY INTEREST Recorded Jul 22, 2019
From: JP MORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: QUALEX, INC.; EASTMAN KODAK COMPANY; FAR EAST DEVELOPMENT LTD.; FPC, INC.; KODAK (NEAR EAST), INC.; KODAK AMERICAS, LTD.; KODAK IMAGING NETWORK, INC.; KODAK PORTUGUESA LIMITED; KODAK REALTY, INC.; LASER PACIFIC MEDIA CORPORATION; PAKON, INC.; KODAK PHILIPPINES, LTD.; NPEC, INC.; CREO MANUFACTURING AMERICA LLC; KODAK AVIATION LEASING LLC
Reel/Frame 050239/0001 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT (FIRST LIEN) Recorded Sep 5, 2013
From: EASTMAN KODAK COMPANY; FAR EAST DEVELOPMENT LTD.; FPC INC.; KODAK (NEAR EAST), INC.; KODAK IMAGING NETWORK, INC.; KODAK PORTUGUESA LIMITED; KODAK REALTY, INC.; LASER-PACIFIC MEDIA CORPORATION; PAKON, INC.; QUALEX INC.; KODAK PHILIPPINES, LTD.; NPEC INC.; CREO MANUFACTURING AMERICA LLC; KODAK AVIATION LEASING LLC; KODAK AMERICAS, LTD.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE
Reel/Frame 031158/0001 →
RELEASE OF SECURITY INTEREST IN PATENTS Recorded Sep 5, 2013
From: CITICORP NORTH AMERICA, INC., AS SENIOR DIP AGENT; WILMINGTON TRUST, NATIONAL ASSOCIATION, AS JUNIOR DIP AGENT
To: EASTMAN KODAK COMPANY; PAKON, INC.
Reel/Frame 031157/0451 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT (SECOND LIEN) Recorded Sep 5, 2013
From: EASTMAN KODAK COMPANY; FAR EAST DEVELOPMENT LTD.; FPC INC.; KODAK (NEAR EAST), INC.; KODAK AMERICAS, LTD.; KODAK IMAGING NETWORK, INC.; KODAK PORTUGUESA LIMITED; KODAK REALTY, INC.; LASER-PACIFIC MEDIA CORPORATION; PAKON, INC.; QUALEX INC.; KODAK PHILIPPINES, LTD.; NPEC INC.; CREO MANUFACTURING AMERICA LLC; KODAK AVIATION LEASING LLC
To: BARCLAYS BANK PLC, AS ADMINISTRATIVE AGENT
Reel/Frame 031159/0001 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT (ABL) Recorded Sep 5, 2013
From: EASTMAN KODAK COMPANY; FAR EAST DEVELOPMENT LTD.; FPC INC.; KODAK (NEAR EAST), INC.; KODAK AMERICAS, LTD.; KODAK IMAGING NETWORK, INC.; KODAK PORTUGUESA LIMITED; KODAK REALTY, INC.; LASER-PACIFIC MEDIA CORPORATION; PAKON, INC.; QUALEX INC.; KODAK PHILIPPINES, LTD.; NPEC INC.; CREO MANUFACTURING AMERICA LLC; KODAK AVIATION LEASING LLC
To: BANK OF AMERICA N.A., AS AGENT
Reel/Frame 031162/0117 →
PATENT SECURITY AGREEMENT Recorded Apr 1, 2013
From: EASTMAN KODAK COMPANY; PAKON, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 030122/0235 →
SECURITY INTEREST Recorded Feb 21, 2012
From: EASTMAN KODAK COMPANY; PAKON, INC.
To: CITICORP NORTH AMERICA, INC., AS AGENT
Reel/Frame 028201/0420 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 15, 2004
From: NEXPRESS SOLUTIONS, INC. (FORMERLY NEXPRESS SOLUTIONS LLC)
To: EASTMAN KODAK COMPANY
Reel/Frame 016508/0075 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 30, 2004
From: MISKINIS, EDWARD T.; CORMIER, STEVEN O.
To: NEXPRESS SOLUTIONS LLC
Reel/Frame 015289/0719 →