LexDanaLexDanabeta
Inventor

Rox Phaff

Inventor
Itingen, CH

Overview

10→
Patents
1989–1994
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes45%
C07DHeterocyclic compounds36%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments18%
PatentTitleYear
5,362,872'Chromogenic lactams'19945,210,232'Pyran-containing phthalides'19935,162,544'Indoline-containing phthalides'19925,097,044'Pyran-containing phthalides'19925,071,986'Chromogenic phthalides and azaphthalides'19915,024,988'Pressure-or heat-sensitive recording material'19915,013,707'Pressure- or heat-sensitive recording material'19915,004,813'Chromogenic phthalides and azaphthalides'19914,920,220'Chromogenic 1-heterocyclic substituted 2,4-benzoxazines'19904,876,357'Chromogenic phthalides and azaphthalides'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to CIBA GEIGY CORP (10)· patent assignee history
1989–1991Based in Rheinfelden, CH· patent location history
1991–1994Based in Itingen, CH· patent location history
1991Based in Gstaadmattstrasse, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIBA GEIGY CORP101989–1994
Locations
LocationPatentsSpan
Itingen, CH51991–1994
Rheinfelden, CH41989–1991
Gstaadmattstrasse, CH11991