loadpatents
name:-0.00061511993408203
name:-0.0052399635314941
name:-0.00048208236694336
Gruhier; Henri Patent Filings

Gruhier; Henri

Patent Applications and Registrations

Patent applications and USPTO patent grants for Gruhier; Henri.The latest application filed is for "process for purifying a hydrogen sulfide containing gas".

Company Profile
0.4.0
  • Gruhier; Henri - Chatillon/Bagneux FR
  • Gruhier; Henri - Chatillon FR
  • Gruhier; Henri - Chatillon sous Bagneux FR
  • Gruhier; Henri - Chatillon Sur Bagneux FR
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Process for purifying a hydrogen sulfide containing gas
Grant 4,310,497 - Deschamps , et al. January 12, 1
1982-01-12
Process for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammonia
Grant 4,220,634 - Deschamps , et al. September 2, 1
1980-09-02
Process for oxidizing sulfur and sulfur compounds
Grant 4,197,277 - Sugier , et al. April 8, 1
1980-04-08
Process For Purifying A Gas Containing Hydrogen Sulfide With Production Of Sulfur
Grant 3,658,477 - Renault , et al. April 25, 1
1972-04-25

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