Inventor

Bert Brassat

Inventor

Krefeld, DE

Overview

23→

Patents

1976–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 23 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds30%

C08LCompositions of macromolecular compounds21%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients18%

C07DHeterocyclic compounds6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

B29CShaping or joining of plastics3%

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. inserts3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

B62DMotor vehicles3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

5,194,334'Process for the production of sheet metal/duroplast composite elements'1993 4,985,508'Process for the production of polyester-polyamide block polymers'1991 4,897,436'New Stabilizers and their use for the production of stabilized polyamides and rubber materials'1990 4,820,771'High impact polyamides'1989 4,806,603'Polyester resin compositions which can be hardened with little shrinkage'1989 4,694,065'Process for the production of duromeric aliphatic polycarbonates'1987 4,677,156'Easily flowable, impact resistant polyamides'1987 4,656,228'Polyamides having high notched impact strength and high fluidity in the molten state'1987 4,600,752'Easy-flowing impact-resistant polyamide modified with oxycarbonyl isocyanate'1986 4,595,725'Unsaturated polyester resins, a process for their production and their use for the production of molding compositions'1986 4,568,755'Chlorocarbonic esters and polycyclic carbonic esters obtainable therefrom'1986 4,551,495'Weather-resistant polyamides'1985 4,426,475'Stabilized polyamides'1984 4,405,748'High-impact polyamide moulding compositions'1983 4,383,083'Polyamide moulding composition'1983 4,381,371'Polymer mixtures'1983 4,348,495'Phosphorous acid esters and their use for stabilizing polyamides'1982 4,252,750'Cyclic phosphorous acid esters'1981 4,250,297'Transparent copolyamide from isophthalic acid reactant'1981 4,219,636'Preparation polyamides of isophthalic acid and hexamethylene diamine with formic acid'1980 4,118,364'Reinforced polyhexamethylene isophthalamide'1978 3,997,646'Process for the production of polyamide mouldings'1976 3,989,677'Process for the production of polyamides'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to BAYER AG (22)· patent assignee history

1976–1993Based in Krefeld, DE· patent location history

1993Patents assigned to DSM NV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	22	1976–1991
DSM NV	1	1993

Locations

Location	Patents	Span
Krefeld, DE	23	1976–1993