Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions

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Related Party Transactions
6 Months Ended
Jun. 30, 2024
Related Party Transactions [Abstract]  
Related Party Transactions
16. Related Party Transactions:
The Company maintains certain policies and procedures for the review, approval and ratification of related party transactions to ensure that all transactions with selected parties are fair, reasonable and in the Company’s best interests. All significant relationships and transactions are separately identified by management if they meet the definition of a related party or a related party transaction. Related party transactions include transactions that occurred during the year, or are currently proposed, in which the Company was or will be a participant, and for which any related person had or will have a direct or indirect material interest. All related party transactions are reviewed, approved and documented by the appropriate level of the Company’s management in accordance with these policies and procedures.
Joint Venture Agreement
The Company entered into a joint venture agreement (the “ZI Partnership Agreement”) in 1988 with Shell Catalysts & Technologies, an affiliate of Royal Dutch Shell plc, to form Zeolyst International, a 50/50 joint venture partnership (the “Partnership”). Under the terms of the ZI Partnership Agreement, the Partnership leases certain land used in its Kansas City production facilities from Ecovyst. This lease, which has been recorded as an operating lease, provided for rental payments to the Company of $78 and $155 for the three and six months ended June 30, 2024 and 2023, respectively. The terms of this lease are evergreen as long as the ZI Partnership Agreement is in place. The Partnership had no sales to the Company for the three and six months ended June 30, 2024 and 2023, respectively.
The Partnership purchases certain raw materials from the Company and was charged for various manufacturing costs incurred at the Company’s Kansas City production facility. The amount of these costs charged to the Partnership were $6,050 and $10,084 for the three and six months ended June 30, 2024, respectively and $5,028 and $10,869 for the three and six months ended June 30, 2023, respectively.
Certain administrative, marketing, engineering, management-related and research and development services are provided to the Partnership by the Company. The Partnership was charged $4,600 and $8,900 for the three and six months ended June 30, 2024 and $3,618 and $7,252 for the three and six months ended June 30, 2023, respectively, for these services.
In addition, the Partnership was charged certain product demonstration costs of $238 and $595 for the three and six months ended June 30, 2024, respectively and $428 and $928 for the three and six months ended June 30, 2023, respectively. These charges to the Partnership are recorded as reductions in either cost of goods sold or selling, general and administrative expenses in the consolidated statements of income, depending on the nature of the expenditures.
The Company had an accounts receivable from the Partnership of $5,008 and $3,164 as of June 30, 2024 and December 31, 2023, respectively. There were no accounts payable with the Partnership as of June 30, 2024 and December 31, 2023, respectively.