Inventor

Frank Wingler

Inventor

Leverkusen, DE

Overview

25→

Patents

1976–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 25 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds33%

C08LCompositions of macromolecular compounds30%

G02BOptical elements, systems or apparatus10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

B29BPreparation or pretreatment of the material to be shaped3%

B29CShaping or joining of plastics3%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

C08JWorking-up3%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%

PatentTitleYear

6,482,897'Process for producing ABS moulding compositions having a high rubber content'2002 5,981,644'Method of producing ABS moulding compositions'1999 4,937,286'Thermoplastic moulding compositions'1990 4,866,148'Hydrophilic copolymers, the use thereof as biomedical materials and contact-optical articles produced therefrom'1989 4,795,780'Process for the preparation of binary .alpha.-methylstyrene/acrylonitrile resins by multi-stage bulk polymerization'1989 4,703,097'Optical contact objects'1987 4,639,473'Thermoplastic moulding compositions'1987 4,631,311'Acrylonitrile free blends of a polycarbonate, a graft rubber and a terpolymer resin'1986 4,621,117'Acrylonitrile-free polycarbonate blends'1986 4,617,089'Apparatus for discharging high viscosity media in chemical engineering'1986 4,533,397'Use of polymer alloys based on cellulose esters in contact ophthalmics, and contact lenses produced from the polymer alloys'1985 4,532,277'Hydrophilized cellulose esters, process for their preparation, their use as biomedical materials and contact lenses produced from these'1985 4,472,558'Process for carrying out reactions caused by the transport of substances'1984 4,384,097'Contact lenses of methyl methacrylate copolymers'1983 4,205,141'Thermoplastic moulding compositions'1980 4,205,140'Thermoplastic moulding compositions'1980 4,200,713'Process for the anionic homo- or co-polymerization of aromatic vinyl compounds'1980 4,193,897'Contact lenses formed of mixtures of cellulose esters and ethylene/vinyl acetate copolymers'1980 4,181,788'Process for the production of thermoplastic molding materials based on vinyl polymers'1980 4,167,543'Thermoplastic molding compositions'1979 4,163,032'Thermoplastic molding compositions'1979 4,141,934'Continuous bulk polymerization process'1979 4,137,389'Low-molecular weight acrylate resins and a process for their production'1979 3,947,528'Additives for powder resins'1976 3,935,138'Pulverulent binders'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2002Patents assigned to BAYER AG (25)· patent assignee history

1976–2002Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	25	1976–2002

Locations

Location	Patents	Span
Leverkusen, DE	25	1976–2002