Inventor

Dietrich Hardt

Inventor

Cologne, DE

Overview

12→

Patents

1976–1983

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds56%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds22%

A01GHorticulture6%

B29CShaping or joining of plastics6%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts6%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

PatentTitleYear

4,381,361'Polyvinyl chloride moulding composition'1983 4,276,391'High-impact thermoplastic vinyl chloride polymer moulding composition'1981 4,272,428'Plasticized vinyl chloride polymer'1981 4,251,645'Thermoplastic moulding compositions'1981 4,239,861'Polyvinyl chloride-polycarbonate alloys'1980 4,192,940'Polyesters which can be prepared by reacting a carbonic acid aryl ester with a polyester prepared from a polyhydric alcohol and a polybasic carboxylic acid which is aliphatic'1980 4,143,105'Rod for supporting plants and process for its manufacture'1979 4,105,711'PVC moulding compounds with high dimensional stability to heat'1978 4,054,615'High impact ternary blend PVC moulding compositions'1977 4,045,382'Molding materials based on polyvinyl chloride and polyphenylene oxide'1977 4,005,037'Polycarbonate-polyvinyl chloride moulding compounds'1977 3,968,184'Impact-resistant polyvinyl chloride grafted ethylene-vinyl esters'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to BAYER AG (12)· patent assignee history

1976–1981Based in Cologne, DE· patent location history

1980–1983Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	12	1976–1983

Locations

Location	Patents	Span
Cologne, DE	9	1976–1981
Leverkusen, DE	3	1980–1983