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Inventor

Bernard Coupal

Inventor
Sherbrooke, CA

Overview

1→
Patents
1979
Patent span
Textiles
Primary field (CPC D)

Patents· 1 as inventor

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

D01Bprimary
D01BMechanical treatment of natural fibrous or filamentary material to obtain fibres of filaments, e.g. for spinning50%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials50%
PatentTitleYear
4,170,515'Process for bleaching peat moss and resulting product'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to JOHNSON & JOHNSON (1)· patent assignee history
1979Based in Sherbrooke, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON & JOHNSON11979
Locations
LocationPatentsSpan
Sherbrooke, CA11979