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Brühl, Germany

Stefan Schafer

This inventor holds 7 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1977-1985.

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 54(Granted Patents)

Company Filing History:

Hoechst Aktiengesellschaft

Years Active: 1977-1985

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4518538 - Process for making methyldichlorophosphane (1985-05-21),

2. 4261923 - Process permitting the deposition of solid matter in mixtures containing (1981-04-14),

3. 4104304 - Production of methyldichlorophosphane (1978-08-01),

4. 4104299 - Production of pure methyldichlorophosphane (1978-08-01),

5. 4101573 - Production of methyldichlorophosphane (1978-07-18),

6. 4045295 - Purification of sulfuric acid containing acetic acid (1977-08-30),

7. 4003723 - Purification of crude hydrogen chloride (1977-01-18),

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