44 trademarks were found for owners matching the name SIGMA CHEMICAL COMPANY.
#Classstatus
1 S:74005700
M:SIGMA BULK CHEMICALS
O:SIGMA CHEMICAL COMPANY 		35 Dead
2 S:73834631
M:SIGMA IMMUNOTES
O:SIGMA CHEMICAL COMPANY 		16 Dead
3 S:73740044
M:EXTRAVIDIN
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO., SIGMA-ALDRICH CO. LLC, SIGMA-ALDRICH CO. NEWCO, INC 		1 Registered
4 S:73614147
M:COMPUTROL
O:SIGMA CHEMICAL COMPANY 		35 Dead
5 S:73614148
M:ACCUSTAIN
O:SIGMA CHEMICAL COMPANY 		1 Dead
6 S:73614287
M:ACCUSET
O:SIGMA CHEMICAL COMPANY 		1 Dead
7 S:73533322
M:CATABATE
O:SIGMA CHEMICAL COMPANY 		5 Dead
8 S:73458463
M:SIGMA DIAGNOSTICS
O:Sigma Chemical Company, SIGMA-ALDRICH CORPORATION 		1 Dead
9 S:73451463
M:ACCUTROL
O:Sigma Chemical Company 		1 Dead
10 S:73451464
M:SIGMA DIAGNOSTICS
O:Sigma Chemical Company, SIGMA-ALDRICH CORPORATION 		1 Dead
11 S:73385961
M:LIN-TROL
O:Sigma Chemical Company 		1 Dead
12 S:73301589
M:SIGMA-SCREENS
O:Sigma Chemical Company 		1 Dead
13 S:73258322
M:HISTOCHROME
O:Sigma Chemical Company 		1 Dead
14 S:73235207
M:HISTOZYME
O:Sigma Chemical Company 		1 Dead
15 S:73235209
M:SIGMASYSTEM
O:Sigma Chemical Company 		1 Dead
16 S:73208831
M:FILTER-PHASE
O:SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH CO 		16 Dead
17 S:73208387
M:KETOTROL
O:Sigma Chemical Company 		1 Dead
18 S:73184156
M:ISOPAC
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, Sigma-Aldrich Biotechnology LP, SIGMA-ALDRICH CO., SIGMA-ALDRICH CO. LLC 		1 Registered
19 S:73160547
M:HISTOPAQUE
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO., Sigma-Aldrich Co. LLC 		1 Registered
20 S:73152424
M:DALTON MARK VI
O:SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH CO. 		1 Dead
21 S:73152294
M:ATROXIN
O:SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH CO. 		1 Dead
22 S:73109976
M:FLUORO-ZYME
O:SIGMA CHEMICAL COMPANY 		1 Dead
23 S:73109982
M:BCIP
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO., Sigma-Aldrich Co. LLC 		1 Registered
24 S:73093990
M:ECLECTIC
O:SIGMA CHEMICAL COMPANY 		1 Dead
25 S:73090564
M:ISOTROL
O:ROCHE DIAGNOSTICS GMBH, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH CO. 		1 Dead
26 S:73068694
M:AGARO-STAIN
O:SIGMA CHEMICAL COMPANY 		1 Dead
27 S:73068695
M:CELLU-STAIN
O:SIGMA CHEMICAL COMPANY 		1 Dead
28 S:73048469
M:GLUCURASE
O:SIGMA CHEMICAL COMPANY 		1 Dead
29 S:73018001
M:POLYPEP
O:SIGMA CHEMICAL COMPANY, SIGMA INTERNATIONAL, LTD. 		1 Dead
30 S:73005642
M:PLASMA CEF
O:SIGMA CHEMICAL COMPANY, SIGMA INTERNATIONAL, LTD. 		1 Dead
31 S:72445507
M:E-TOXA-CLEAN
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA INTERNATIONAL, LTD., SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO. LL 		52 Registered
32 S:72392811
M:SIGMACOTE
O:SIGMA CHEMICAL COMPANY 		6 Dead
33 S:71574389
M:SHU-GLO
O:SIGMA CHEMICAL COMPANY 		4 Dead
34 S:72145859
M:
O:Sigma Chemical Company 		6 Dead
35 S:72158863
M:CILLIGEN
O:SIGMA CHEMICAL COMPANY 		6 Dead
36 S:72249805
M:SIGMACELL
O:SIGMA CHEMICAL COMPANY 		6 Dead
37 S:72269358
M:GAL-PAC
O:SIGMA CHEMICAL COMPANY 		6 Dead
38 S:72306813
M:SIGMA
O:SIGMA CHEMICAL COMPANY 		26 Dead
39 S:72083566
M:TRIZMA
O:MERCK KGAA, Sigma Chemical Company, SIGMA-ALDRICH CO. 		6 Registered
40 S:72315505
M:SIGMA 104
O:SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH CO., SIGMA-ALDRICH CORPORATION 		6 Dead
41 S:72027240
M:SIGMA
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH CO., SIGMA-ALDRICH CO., LLC 		6 Registered
42 S:72100307
M:SIGMA
O:MERCK KGAA, Sigma Chemical Company, SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO., LLC 		38 Registered
43 S:72027241
M:SIGMA
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO., SIGMA-ALDRICH CO., LLC 		18 Registered
44 S:72315504
M:SIGMA 7-9
O:MERCK KGAA, SIGMA CHEMICAL COMPANY, SIGMA-ALDRICH BIOTECHNOLOGY LP, SIGMA-ALDRICH CO., SIGMA-ALDRICH CO., LLC, SIGMA-ALDRICH CORPORATION 		6 Registered
Trademark Alertz updated from USPTO on 2030-01-24

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