LexDanaLexDanabeta
Inventor

Rolf Baueregger

Inventor
Burgkirchen, DE

Overview

2→
Patents
1986–1989
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.

C01Bprimary
C01BNon-metallic elements33%
B02CCrushing, pulverising, or disintegrating in general17%
B28DWorking stone or stone-like materials17%
C30BSingle-crystal growth17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
PatentTitleYear
4,871,117'Low-contamination method for comminuting solid silicon fragments'19894,588,571'Process for the purification of silicon by the action of an acid'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to HELIOTRONIC GMBH (2)· patent assignee history
1986–1989Based in Burgkirchen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HELIOTRONIC GMBH21986–1989
Locations
LocationPatentsSpan
Burgkirchen, DE21986–1989