LexDanaLexDanabeta
Inventor

Christopher W. A. Krohe

Inventor
Minneapolis, MN, US

Overview

2→
Patents
2018
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form18%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C08LCompositions of macromolecular compounds18%
C08JWorking-up9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C09JAdhesives9%
G02BOptical elements, systems or apparatus9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
10,160,829Functionalized polyester polymers and film articles201810,067,278Birefringent polyester film with low haze having specified Tan Delta value2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history
2018Based in Minneapolis, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES CO22018
Locations
LocationPatentsSpan
Minneapolis, Minnesota, US22018