Purchase management system and method

Details Purchase management system and method Purchase management system and method

1997-08-19

2000-01-11

Trammell, James P.

Data processing: financial, business practice, management, or co

Automated electrical financial or business practice or...

Finance

705 18, 705 40, 235380, 235382, G06F 1760

Patent

active

060146508

ABSTRACT:
A system and method of implementing a secure purchase management system wherein a unique account code is assigned to a purchaser; a set of secret transaction codes are provided to the purchaser, one secret transaction code to be used for each individual purchase to be made by the purchaser; and each purchase request from a purchaser is verified to make sure it includes the purchaser's account code and a transaction code which has not been used before to thereby prevent unauthorized purchases and fraud.

REFERENCES:
patent: 4053735 (1977-10-01), Foudos
patent: 4450535 (1984-05-01), De Pommery et al.
patent: 4750119 (1988-06-01), Cohen et al.
patent: 4941091 (1990-07-01), Breault et al.
patent: 5430827 (1995-07-01), Rissanen
patent: 5500513 (1996-03-01), Langhans et al.
patent: 5557518 (1996-09-01), Rosen

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