以下是为专利技术合作开发协议增加的中英文描述段落：中文部分：双方同意在本协议有效期内，对于合作开发过程中产生的所有技术改进、衍生发明及专利申请（以下简称"改进技术"），应通过书面形式及时向对方披露。改进技术的所有权应根据产生该改进技术的实际贡献方确定，若为双方共同贡献，则归双方共同所有。任何一方未经另一方事先书面同意，不得单方面将改进技术转让给第三方或用于本协议约定范围之外的其他用途。EnglishPart:BothpartiesagreethatduringthetermofthisAgreement,alltechnicalimprovements,derivativeinventionsandpatentapplications(hereinafterreferredtoas"ImprovementTechnologies")arisingfromthecooperativedevelopmentshallbepromptlydisclosedtotheotherpartyinwrittenform.TheownershipofImprovementTechnologiesshallbedeterminedaccordingtotheactualcontributingparty.Incaseofjointcontribution,theownershipshallbejointlyheld.NeitherpartyshallunilaterallytransferImprovementTechnologiestoanythirdpartyorusethemforpurposesbeyondthescopeofthisAgreementwithoutpriorwrittenconsentfromtheotherparty.
