Inventor

Pekka Vapaaoksa

Inventor

Tampere, FI

Overview

1991–2002

Patent span

Chemistry

Primary field (CPC C)

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

C01Pprimary

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds15%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties15%

A61KPreparations for medical, dental or toiletry purposes8%

A61QSpecific use of cosmetics or similar toiletry preparations8%

C03CChemical composition of glasses, glazes or vitreous enamels8%

C07CAcyclic or carbocyclic compounds8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments8%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to KEMIRA OY (2)· patent assignee history

1991Based in Pori, FI· patent location history

1995Patents assigned to KEMIRA FIBRES OY (1)· patent assignee history

1995Based in Valkeakoski, FI· patent location history

1998Patents assigned to CAREFIBRES OY (1)· patent assignee history

1998–2002Based in Tampere, FI· patent location history

2002Patents assigned to KEMIRA CHEMICALS OY (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations