Inventor

Hans Zweifel

Inventor
Basel, CH

Overview

45→
Patents
1977–2005
Patent span
Chemistry
Primary field (CPC C)

Patents· 45 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices23%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds16%
C07DHeterocyclic compounds14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C07CAcyclic or carbocyclic compounds11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08BPolysaccharides2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium1%
C08LCompositions of macromolecular compounds1%
PatentTitleYear
6,966,475'Draw roller with adjustable pull ring'20056,541,547'Process for stabilization of polyolefins in permanent contact with extracting media'20035,494,944'Hardenable composition and its use'19965,371,115'Cationically polymerizable compositions containing iron metallolene salt'19945,073,476'Curable composition and the use thereof'19914,855,468'Titanocenes and a radiation-polymerizable composition containing these titanocenes'19894,713,401'Titanocenes and a radiation-polymerizable composition containing these titanocenes'19874,681,950'Thioxanthone derivatives'19874,624,912'Thermally transferable layers of radiation sensitive epoxy resins used to prepare protective coatings and relief images'19864,594,400'Thioxanthonecarboxylic acids, esters thioesters and amides with reactive functional groups and polymers prepared therefrom and having thioxanthone radicals as side chains'19864,585,876'Novel xanthones and thioxanthones'19864,537,977'Tetrasubstituted phthalic acid derivatives, and a process for their preparation'19854,505,794'Thioxanthonecarboxylic acid esters, thioesters and amides'19854,506,083'Thioxanthonecarboxylic acid esters, thioesters and amides'19854,487,942'6,7-Dihydro-5H-benzocycloheptene-8,9-dicarboxylic acid anhydrides'19844,486,596'2,3-Dihydro-1-benzoxepine-4,5-dicarboxylic acid anhydrides'19844,480,105'3,5-Disubstituted phthalic acids and phthalic anhydrides'19844,463,142'Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers'19844,459,414'Tetrasubstituted phthalic acid derivatives, and a process for their preparation'19844,424,366'Tricyclic imidyl derivatives'19844,423,231'Tricyclic imidyl derivatives'19834,418,200'Tricyclic imidyl derivatives'19834,418,199'Tricyclic imidyl derivatives'19834,416,975'Photopolymerization process employing compounds containing acryloyl groups and maleimide groups'19834,417,058'Tricyclic imidyl derivatives'19834,414,394'Tricyclic imidyl derivatives'19834,399,259'Photocrosslinkable polymers with side groups derived from indenone and the preparation and use of these polymers'19834,385,182'Thioxanthonecarboxylic acids and thioxanthonecarboxylic acid derivatives'19834,377,669'Photocrosslinkable polyester with side tricyclic imidyl groups'19834,377,668'Photo-crosslinkable polyamide with side tricyclic imidyl groups'19834,367,324'Photocrosslinkable polymers with thioxanthone and imidyl groupings in side chains'19834,363,917'3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydrides'19824,348,530'Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups'19824,337,200'Tricyclic imidyl derivatives'19824,323,701'Process for the preparation of indenonecarboxylic acids'19824,283,509'Photocrosslinkable polymers with side tricyclic imidyl groups'19814,250,096'3- and 4-Azidophthalic acid derivatives'19814,247,660'Photo-crosslinkable polymers having azidophthalimidyl side groups'19814,242,264'Tricyclic imidyl derivatives'19804,197,133'Photo-curable compositions of matter containing bis-azidophthalimidyl derivatives'19804,163,097'Crosslinkable polymeric compounds'19794,158,730'Crosslinkage polymeric compounds'19794,158,731'Crosslinkable polymeric compounds'19794,079,041'Crosslinkable polymeric compounds'19784,046,507'Commercial packages containing dyestuffs'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to CIBA GEIGY AG (1)· patent assignee history
1977Based in Binningen, CH· patent location history
1978–1996Patents assigned to CIBA GEIGY CORP (42)· patent assignee history
1978–1979Based in Muttenz, CH· patent location history
1979–2003Based in Basel, CH· patent location history
1987Patents assigned to MEIER KURT (1)· patent assignee history
1987Patents assigned to RIEDIKER MARTIN (1)· patent assignee history
1987Based in Basle, CH· patent location history
2003Patents assigned to CIBA SC HOLDING AG (1)· patent assignee history
2005Based in Boll, CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIBA GEIGY CORP421978–1996
CIBA GEIGY AG11977
CIBA SC HOLDING AG12003
MEIER KURT11987
RIEDIKER MARTIN11987
Locations
LocationPatentsSpan
Basel, CH391979–2003
Muttenz, CH31978–1979
Boll, CH12005
Basle, CH11987
Binningen, CH11977