Crown Zellerbach Corporation
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 29, 1987 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,420 Total Citation Count
- Mar 06, 1978 Earliest Filing
- 48 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4688335 Apparatus and method for drying fibrous web materialExpiredFeb 18, 86Aug 25, 87[F29B, F26B, F28D, D21F]
4644045 Method of making spunbonded webs from linear low density polyethyleneExpiredMar 14, 86Feb 17, 87[C08F]
4637858 Pyrolysis of black liquor at high temperatures using radiant energyExpiredFeb 25, 85Jan 20, 87[D21C]
4576675 System for securing a plurality of objects together with adhesive tapeExpiredAug 13, 84Mar 18, 86[B32B, B65B]
4548770 Subjecting film to corona discharge prior to compression rollingExpiredNov 17, 83Oct 22, 85[B29D]
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