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on 23 Mar 2024
HEXION INC.
86208925 · 03 Mar 2014
21 Apr 2025
001
Chemical powder additives for oil and gas well drilling muds
on 26 Oct 2023
HEXION INC.
74251218 · 02 Mar 1992
13 Oct 2032
001
vinyl monomer used in the manufacture of other chemicals
on 20 Oct 2023
HEXION INC.
72144546 · 14 May 1962
04 Apr 2033
001
[Synthetic Resin and] RESIN INTERMEDIATES.
on 20 Oct 2023
HEXION INC.
85588916 · 04 Apr 2012
11 Apr 2033
001
chemical compositions for use in the control of fines generated during...
on 27 Oct 2022
HEXION INC.
85426911 · 20 Sep 2011
23 Aug 2032
001
Proppant for use in oil well and gas well hydraulic fracturing operati...
on 07 Jul 2022
HEXION INC.
85354010 · 23 Jun 2011
26 Jan 2032
001
Industrial chemicals, namely, phenol formaldehyde resins
on 29 Jun 2022
HEXION INC.
73232524 · 24 Sep 1979
30 Mar 2032
001
Synthetic Resins for Use in Coatings
on 29 Jun 2022
HEXION INC.
73257740 · 11 Apr 1980
15 Jun 2032
001
Epoxy Resins Used in Surface Coating, Reinforced Plastics and Adhesive...
on 28 May 2022
Hexion Inc.
87007292 · 20 Apr 2016
30 Nov 2026
001
Proppant for use in oil well and gas well hydraulic fracturing operati...
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