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For the Inventor, By the Inventor

Bottrop, Germany

Herbert Haferkorn

This inventor holds 4 USPTO granted patents. Top assignee: Chemische Werke Huls Aktiengesellschaft. Active years: 1981-1985.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:

goldMedal4 out of 283 
 
Chemische Werke Huls Aktiengesellschaft
 patents

Years Active: 1981-1985

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4 patents (USPTO):Explore Patents
1. 4547578 - Process for removing naphthoquinone from phthalic anhydride produced (1985-10-15),
2. 4496710 - Process for the production of flat varnishes (1985-01-29),
3. 4316977 - Copolymer of maleic anhydride, dicyclopentadiene and vinylcyclohexene (1982-02-23),
4. 4252545 - Process for the fractional desublimation of pyromellitic acid dianhydride (1981-02-24),
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