Inventor

Fritz Wittwer

Inventor

Lupsingen, CH

Overview

23→

Patents

1983–1995

Patent span

Human necessities

Primary field (CPC A)

Patents· 23 as inventor

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

A61Jprimary

A61JContainers specially adapted for medical or pharmaceutical purposes22%

A61KPreparations for medical, dental or toiletry purposes16%

B29CShaping or joining of plastics10%

B29LIndexing scheme associated with subclass b29c, relating to particular articles10%

C08LCompositions of macromolecular compounds9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

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. inserts4%

Y10TTechnical subjects covered by former us classification4%

C08BPolysaccharides3%

C08JWorking-up3%

PatentTitleYear

5,427,614'Starch based formulations'1995 RE033251'Apparatus and method of sealing capsules'1990 4,893,721'Tamper-proof capsules'1990 4,878,185'Digital measuring instrument'1989 4,797,587'Triggering method for a thyristor switch'1989 4,790,881'Molded hydrophilic polymer'1988 4,738,817'Method for forming pharmaceutical capsules from hydrophilic polymers'1988 4,738,724'Method for forming pharmaceutical capsules from starch compositions'1988 4,719,112'Foam capsules'1988 4,673,438'Polymer composition for injection molding'1987 4,656,066'Apparatus and method for sealing capsules'1987 4,655,840'Hydrophilic polymer compositions for injection molding'1987 D0285837'Pharmaceutical capsule'1986 4,609,403'Foam soft gelatin capsules and their method of manufacture'1986 4,591,475'Method for molding capsules'1986 4,576,284'Closing of filled capsules'1986 4,550,238'Apparatus and method for sealing capsules'1985 4,539,060'Apparatus and method of sealing capsules'1985 4,522,666'Apparatus and method for sealing capsules by application of vacuum and steam thereto'1985 4,500,358'Foam capsules'1985 4,482,386'Method of conditioning a water swellable hydrocolloid'1984 4,478,658'Method for sealing non-enteric capsules'1984 4,375,790'Offset printer'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to WITTWER FRITZ (1)· patent assignee history

1983Based in Fribourg, CH· patent location history

1984–1995Patents assigned to WARNER LAMBERT CO (19)· patent assignee history

1984–1995Based in Lupsingen, CH· patent location history

1986Based in Lupisingen, CH· patent location history

1989Patents assigned to BBC BROWN BOVERI & CIE (2)· patent assignee history

1989Based in Turgi, CH· patent location history

1989Based in Untersiggenthal, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
WARNER LAMBERT CO	19	1984–1995
BBC BROWN BOVERI & CIE	2	1989
WITTWER FRITZself	1	1983

Locations

Location	Patents	Span
Lupsingen, CH	19	1984–1995
Turgi, CH	1	1989
Untersiggenthal, CH	1	1989
Lupisingen, CH	1	1986
Fribourg, CH	1	1983