Zweifel; Hans

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zweifel; Hans.The latest application filed is for "draw roller with adjustable pull ring".

Company Profile

0.20.1

Zweifel; Hans - Boll CH
Zweifel; Hans - Basel CH
Zweifel; Hans - 4057 Basle CH
Zweifel; Hans - Muttenz CH

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Draw roller with adjustable pull ring Grant 6,966,475 - Zweifel , et al. November 22, 2	2005-11-22
Draw roller with adjustable pull ring App 20040050895 - Zweifel, Hans ; et al.	2004-03-18
Hardenable composition and its use Grant 5,494,944 - Meier , et al. * February 27, 1	1996-02-27
Cationically polymerizable compositions containing iron metallolene salt Grant 5,371,115 - Meier , et al. * December 6, 1	1994-12-06
Titanocenes and a radiation-polymerizable composition containing these titanocenes Grant 4,855,468 - Riediker , et al. August 8, 1	1989-08-08
Titanocenes and a radiation-polymerizable composition containing these titanocenes Grant 4,713,401 - Riediker , et al. December 15, 1	1987-12-15
Thioxanthone derivatives Grant 4,681,950 - Fischer , et al. July 21, 1	1987-07-21
Thermally transferable layers of radiation sensitive epoxy resins used to prepare protective coatings and relief images Grant 4,624,912 - Zweifel , et al. November 25, 1	1986-11-25
Thioxanthonecarboxylic acids, esters thioesters and amides with reactive functional groups and polymers prepared therefrom and having thioxanthone radicals as side chains Grant 4,594,400 - Kvita , et al. * June 10, 1	1986-06-10
Novel xanthones and thioxanthones Grant 4,585,876 - Fischer , et al. April 29, 1	1986-04-29
Thioxanthonecarboxylic acid esters, thioesters and amides Grant 4,506,083 - Kvita , et al. March 19, 1	1985-03-19
3,5-Disubstituted phthalic acids and phthalic anhydrides Grant 4,480,105 - Fischer , et al. October 30, 1	1984-10-30
Photopolymerization process employing compounds containing acryloyl groups and maleimide groups Grant 4,416,975 - Green , et al. November 22, 1	1983-11-22
Thioxanthonecarboxylic acids and thioxanthonecarboxylic acid derivatives Grant 4,385,182 - Fischer , et al. May 24, 1	1983-05-24
3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydrides Grant 4,363,917 - Fischer , et al. December 14, 1	1982-12-14
Thioxanthonecarboxylic acids, esters, thioesters and amides with reactive functional groups Grant 4,348,530 - Kvita , et al. September 7, 1	1982-09-07
Photocrosslinkable polymers with side tricyclic imidyl groups Grant 4,283,509 - Zweifel , et al. August 11, 1	1981-08-11
3- and 4-Azidophthalic acid derivatives Grant 4,250,096 - Kvita , et al. February 10, 1	1981-02-10
Crosslinkable polymeric compounds Grant 4,163,097 - Baumann , et al. July 31, 1	1979-07-31
Crosslinkable polymeric compounds Grant 4,158,731 - Baumann , et al. June 19, 1	1979-06-19
Crosslinkable polymeric compounds Grant 4,079,041 - Baumann , et al. March 14, 1	1978-03-14

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