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Austin, TX, United States of America

Sachem, Inc.

USPTO Granted Patents = 57

% Expired Patents = 12.3

CIPO Patents = 3

EPO Patents = 17

Trademarks = 6

Forward Citations = 347

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39 inventors (with patents filed for the assignee):

Hossein Sharifian (16 out of 21 patents)

Roger D Moulton (12 out of 12 patents)

Charles B Little (10 out of 10 patents)

4. Barry L Haymore (7 out of 7 patents)

5. Jianjun Hao (5 out of 5 patents)

6. David R Hulme (4 out of 4 patents)

7. Christopher D Shay (4 out of 4 patents)

8. Wilfred Wayne Wilson (3 out of 3 patents)

9. Craig S Allen (3 out of 11 patents)

10. Mark W Hellums (3 out of 5 patents)

11. Sara S Moghaddam (3 out of 3 patents)

12. Ari K Kar (3 out of 3 patents)

13. William A Wojtczak (2 out of 48 patents)

14. Tim Engel (2 out of 2 patents)

15. Sian Collins (2 out of 2 patents)

Core Competencies:

Metal-Chelating Resins

Hydroxylamine

Ion Exchange Chromatography

Onium Compounds

Ceramic Materials

Electrochemical Processes

Quaternary Ammonium

Selective Etching

Zeolite Synthesis

Cleaning Solutions

Buffer Compounds

Polymeric Supports

57 patents: Sort by Forward Citations

1. 12509546 - Strong binding metal-chelating resins (2025-12-30),

2. 12331155 - Strong binding metal-chelating resins using macrocycle molecules (2025-06-17),

3. 12180328 - Strong binding metal-chelating resins (2024-12-31),

4. 11884753 - Green cationization agent (2024-01-30),

5. 11201321 - LimMOxFy shell formation on cathode ceramic particle for Li ion battery through onium metal oxide fluoride precursor (2021-12-14),

6. 10843929 - Process for SSZ-39 synthesis using modified reaction composition (2020-11-24),

7. 10710891 - Morpholinium-based quaternary ammonium cation and AEI type zeolite made therewith (2020-07-14),

8. 10297465 - Selective metal/metal oxide etch process (2019-05-21),

9. 10138131 - Structure directing agent for improved synthesis of zeolites (2018-11-27),

10. 9981879 - Gel method for preparation of ceramic material (2018-05-29),

11. 9944853 - Color inhibitor for quaternary ammonium hydroxide in non-aqueous solvent (2018-04-17),

12. 9650595 - Quaternary ammonium hydroxides (2017-05-16),

13. 9634321 - Oxide shell formation on inorganic substrate via oxidative polyoxoanion salt deposition (2017-04-25),

14. 9634318 - Oxide shell formation on inorganic substrates via lithium polyoxoanion salt deposition (2017-04-25),

15. 9120846 - Neutral zwitterionic displacer molecules for hydrophobic displacement chromatography (2015-09-01),

Sachem, Inc. is a specialized company based in Austin, Texas, focusing on the development and manufacturing of metal-chelating resins and related technologies. Their expertise encompasses a range of core areas including hydroxylamine, ion exchange chromatography, and onium compounds, which are integral to various industrial applications. Additionally, Sachem is involved in the production of ceramic materials and the advancement of electrochemical processes, contributing to innovations in selective etching and other chemical processes.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

57 Patents

#47 in Austin, TX

#346 in Texas

#6,244 in US

#12,552 in the World

Austin, TX, United States of America

Sachem, Inc.

Forward Citations = 347

39 inventors:

Hossein Sharifian (16 out of 21 patents)

Roger D Moulton (12 out of 12 patents)

Charles B Little (10 out of 10 patents)

4. Barry L Haymore (7 out of 7 patents)

5. Jianjun Hao (5 out of 5 patents)

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