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Muttenz, Switzerland

Paul Hugelshofer

This inventor holds 6 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1976-1986.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 51(Granted Patents)

Company Filing History:

Ciba-Geigy Corporation

Years Active: 1976-1986

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4588412 - Solid formulations of dyes which are sparingly soluble or insoluble in (1986-05-13),

2. 4500321 - Process for the preparation of concentrated fluid dye compositions (1985-02-19),

3. 4436523 - Process for the preparation of storage stable colorant compositions by (1984-03-13),

4. 4405329 - Stable concentrated fluid formulations of metal-free dyes, process for (1983-09-20),

5. 4322415 - Stable concentrated liquid preparations of metal complex dyes (1982-03-30),

6. 3989452 - Stable, concentrated solutions of complex metal compounds of azo (1976-11-02),

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