Patent · US Expired

Production of paper sheets, boards and pulp molded articles from fibrids from the constituents of the effluent obtained in the manufacture of styrene bead polymers

US4138315A · kind A · utility

1Cited by

3References

6Claims

0Family size

Assignee

BASF SE

Inventors

Bruno Sander · Ludwigshafen, DE
Eckhard Bonitz · Bischofswerda, DE
Heinz Voss · Leverkusen, DE
Wolfgang Gaerber · Monsheim, DE

Key dates

Filing date	Feb 27, 1978
Grant date	Feb 6, 1979
Priority date	—
Expiry date	Feb 27, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/62
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Fibrids from the constituents of the effluent from the manufacture of styrene bead polymers are used to product papery sheet-like structures, boards and shaped articles.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.