Inventor
David Milton LANGE
Inventor
US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Jprimary
C08JWorking-up13%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management13%
B09BDisposal of solid waste not otherwise provided for10%
B29BPreparation or pretreatment of the material to be shaped10%
C10GCracking hydrocarbon oils10%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials7%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide7%
B08BCleaning in general3%
PatentTitleYear
12,595,351Chemical recycling of materials comprising waste automotive carpet202612,595,422Chemical recycling of solvolysis glycol column bottoms coproduct streams202612,516,250Chemical recycling of solvolysis coproduct streams202612,398,328Chemical recycling of processed mixed plastic waste streams2025Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2025–2026Patents assigned to EASTMAN CHEM CO (2)· patent assignee history
2025–2026Based in US· patent location history
2026Patents assigned to EASTMAN CHEMICAL COMPANY (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN CHEM CO | 2 | 2025–2026 |
| EASTMAN CHEMICAL COMPANY | 2 | 2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 4 | 2025–2026 |