Inventor

Urho S. Haapala

Inventor

Middlesex, NJ, US

Overview

3→

Patents

1984–1990

Patent span

Performing operations

Primary field (CPC B)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Cprimary

B29CShaping or joining of plastics25%

B29BPreparation or pretreatment of the material to be shaped17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%

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. inserts8%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%

C08JWorking-up8%

Y02PClimate change mitigation technologies in the production or processing of goods8%

PatentTitleYear

4,958,006'Fluidized bed product discharge process'1990 4,461,734'Process for plasticization and pumping of low bulk density plastics'1984 4,452,750'Low energy processing of thermoplastic polymers'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to UNION CARBIDE CORP (2)· patent assignee history

1984–1990Based in Middlesex, NJ, US· patent location history

1990Patents assigned to UNION CARBIDE CHEM PLASTIC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNION CARBIDE CORP	2	1984
UNION CARBIDE CHEM PLASTIC	1	1990

Locations

Location	Patents	Span
Middlesex, New Jersey, US	3	1984–1990