Inventor
Stephen Weinhold
Inventor
Kingsport, TN, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics17%
Y10TTechnical subjects covered by former us classification14%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts12%
C08JWorking-up12%
B29BPreparation or pretreatment of the material to be shaped11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
F26BDrying solid materials or objects by removing liquid therefrom6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds3%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management2%
PatentTitleYear
10,370,486Polyester polymer particles having a small surface to center molecular weight gradient20199,062,200'Polyester blends exhibiting low temperature toughness'20158,968,615'Low melting polyester polymers'20158,859,681'Polyester blends exhibiting low temperature toughness'20148,247,522'Production of non-solid-stated polyester particles having solid-stated properties'20128,057,726'Screw designs having improved performance with low melting PET resins'20118,058,360'Polyester blends exhibiting low temperature toughness'20118,039,578'Polyester composition with modifier hydroxyl compound'20118,022,168'Spheroidal polyester polymer particles'20117,989,577'Production of non-solid-stated polyester particles having solid-stated properties'20117,935,399'Low melting polyester polymers'20117,868,125'Production of non-solid-stated polyester particles having solid-stated properties'20117,776,942'Polyester polymer and copolymer compositions containing particles of titanium nitride and carbon-coated iron'20107,745,512'Polyester polymer and copolymer compositions containing carbon-coated iron particles'20107,459,113'Process of making a container from polyester polymer particles having a small surface to center intrinsic-viscosity gradient'20086,474,499'Container base cup having reduced heat gain'20026,159,406'Process for rapid crystallization of polyesters and co-polyesters via in-line drafting and flow-induced crystallization'20005,980,797'Apparatus and method for molding polyester articles having low acetaldehyde content directly from the melt formation using flash tank devoltatilization'19995,290,560'Extrusion of an admixture of a meltable binder and a food or drug'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2019Based in Kingsport, TN, US· patent location history
1999–2015Patents assigned to EASTMAN CHEM CO (8)· patent assignee history
2011–2019Patents assigned to GRUPO PETROTEMEX SA DE CV (7)· patent assignee history
2011–2015Patents assigned to WEINHOLD STEPHEN (5)· patent assignee history
2011–2015Patents assigned to COLHOUN FREDERICK LESLIE (4)· patent assignee history
2011–2014Patents assigned to STEWART MARK EDWARD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN CHEM CO | 8 | 1999–2015 |
| GRUPO PETROTEMEX SA DE CV | 7 | 2011–2019 |
| WEINHOLD STEPHENself | 5 | 2011–2015 |
| COLHOUN FREDERICK LESLIE | 4 | 2011–2015 |
| STEWART MARK EDWARD | 3 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingsport, TN, US | 19 | 1994–2019 |