Hydrophilic colloid composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 28, 1999
Grant Date -
N/A
app pub date -
Dec 31, 1997
filing date -
Dec 31, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention comprises a composition containing a hydrophilic colloid and a water soluble polymer of boric acid, and optionally a hardening agent for the hydrophilic colloid. The hydrophilic colloid is preferably gelatin. This invention also comprises a photographic element in which at least one layer thereof contains a hydrophilic colloid and a water-soluble polymer of boric acid and a method of making the photographic element.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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NOVARTIS AG | BASEL SUI BASEL BASEL-STADT |
International Classification(s)

- 1997 Application Filing Year
- G03C Class
- 842 Applications Filed
- 266 Patents Issued To-Date
- 31.60 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Tien-teh | Penfield, NY | 9 | 85 |
# of filed Patents : 9 Total Citations : 85 | |||
Flood, Elmer C | Canandaigua, NY | 8 | 80 |
# of filed Patents : 8 Total Citations : 80 | |||
Taylor, Jeffrey F | Fairport, NY | 20 | 132 |
# of filed Patents : 20 Total Citations : 132 | |||
Thai, Lan B | Penfield, NY | 8 | 77 |
# of filed Patents : 8 Total Citations : 77 | |||
Yau, Hwei-Ling | Rochester, NY | 90 | 662 |
# of filed Patents : 90 Total Citations : 662 |
Cited Art Landscape
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Patent Citation Ranking
- 10 Citation Count
- G03C Class
- 2.13 % this patent is cited more than
- 26 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Dec 01, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jun 05, 2018 | I | Issuance | |
May 16, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 28, 2016 | P | Published | |
Feb 08, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KRALIK, ROBERT;REEL/FRAME:037856/0237 Owner name: SCHALTBAU GMBH, GERMANY Effective Date: Feb 08, 2016 |
Jan 21, 2016 | F | Filing | |
Jan 22, 2015 | PD | Priority Date |

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